Shop Best Underground Electric Cable Detector in NOYAFA

Shop Best Underground Electric Cable Detector in NOYAFA

2021-09-30
NOYAFA
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Every underground electric cable detector has received enough attention from SHENZHEN NOYAFA ELECTRONIC CO.,LIMITED. We continuously invest in technology R&D, production process, manufacturing facilities to improve product quality. We also test the product several times and kill off defects during production to ensure that all products entering the market are qualified.With years of development and efforts, NOYAFA has finally become a globally influential brand. We expand our sales channels in the way of establishing our own website. We have succeeded in increasing our exposure online and been receiving more attention from customers. Our products are all exquisitely-designed and finely-made, which has won more and more customers' favors. Thanks to the digital media communication, we have also attracted more potential customers to inquire and seek cooperation with us.In order to build mutual trust between customers and us, we make a big investment in cultivating a high performing customer service team. To provide superior service, our customer service team adopts a remote diagnostics at Best Cable Tester Supplier in China _ Noyafa. For example, they provide real-time and effective troubleshooting solution and targeted advice on how to maintain the product. In such ways, we hope to better meet their customers’ needs which previously may have been neglected.
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In Depth Understanding of Live Cable Identifier
In Depth Understanding of Live Cable Identifier
Everyone should be familiar with the live cable identifier. Xiaobian introduced it in the previous article. It is a very common cable construction and maintenance equipment. At present, there are both instruments for identifying non operating cables and instruments for identifying operating cables. Now we will introduce some knowledge about live cable recognizer. 1、 The transmitter panel of live cable identification instrument is introduced as follows: 1. Signal output port: this port sends the signal to the cable to be tested through direct connection coupling. The instrument can automatically detect the connection mode (direct connection or coupling). When no output line is connected to this port, the screen mode menu displays idle, and no signal is output at this time. 2. Frequency switching: the instrument has four output frequencies: low frequency, intermediate frequency, high frequency and radio frequency. It is suitable for different test systems and has strong anti-interference ability. When this button is pressed, the frequency will be switched between the above frequencies in turn. 3. Power regulation: the instrument adopts constant power output mode, and low, medium and high gears are optional. When this button is pressed, the power will be switched between the above gears. 4. Backlight switch: the instrument has a backlight controllable function. The backlight can be turned off during the day to save power. At night, the backlight can be turned on for test. When this button is pressed, the backlight will be turned on. When it is pressed again, the backlight will be turned off. 5. Power switch: the main switch of the whole instrument. When this button is pressed, the instrument enters the test interface. 6. Liquid crystal display of cable identification instrument: the instrument adopts liquid crystal display for man-machine dialogue. 2、 Precautions for the use of live cable identifier 1. If the operating cable has voltage and there is no load, there is no current flowing on the cable. At this time, the magnetic field cannot be detected. It is considered to be an uncharged cable, which is very easy to misjudge. 2. If the cable is not running, but if this cable is parallel to other running cables, there will be induced current and magnetic field. At this time, the instrument will also have indication, and misjudgment will occur. 3. If there are multiple cables in the cable trench, these multiple cables will generate a magnetic field. At this time, there will be a magnetic field generated by 50Hz current in the whole area. At this time, there will be a magnetic field in the whole area, which makes the discrimination impossible. It is easy to misjudge. 3、 Basic parameters of live cable recognizer insert the red and black wiring plugs of the transmitting caliper a into the two red and black wiring posts corresponding to the transmitting source, and clamp the transmitting caliper a on the identified cable. The arrow on the transmitting caliper a points to the cable terminal. On the identified cable two meters away from the transmitting caliper, clamp the receiving caliper B to the cable, and the arrow on the caliper must point to the cable terminal. Then check the current direction and test connection direction. At the identification point, identify each cable with receiving caliper B. During identification, the arrow on the receiving caliper must always point to the terminal direction of the cable, and the cable shall be clamped one by one. On the identified cable, the current meter pointer of the receiver must be deflected to the right, and the audible and visual alarm prompt shall be given at the same time.
Do You Know How to Purchase Cable Fault Tester
Do You Know How to Purchase Cable Fault Tester
In today's society, electricity is one of the indispensable and important resources in people's life. Cables bear the responsibility of transporting electric energy. We all know that anything used for a long time may fail, and so does cables. Cable fault detector is a special equipment to solve cable fault. Xiaobian will show you how to purchase cable fault tester today. Electric power has been a necessary resource for people's daily life. The State Grid is all over the country. Due to the actual needs of cable production process fault resolution and customer site cable fault location, not only cable manufacturers buy cable fault detectors to solve all kinds of cable faults in the actual cable production process and customer use site. Power companies rely on cable fault tester to accurately and quickly solve cable fault points and quickly modify power (or communication) faults. Therefore, the configuration of cable fault tester is different according to different occasions and requirements. As a cable manufacturer, when purchasing the cable fault detector, it is purchased in complete sets of high and low voltage, and the equipment components are 6-10 pieces. In case of direct buried cable fault location at the customer's site, the handling and transportation of the whole set of equipment must be transported by a special cable fault detection vehicle, otherwise the transportation quality of the instrument is not guaranteed. There are also some special cable fault detectors, such as the railway household coat cable fault detector. More specifically, it can be called the railway single core cable outer sheath fault tester. These two configured cable fault testers are suitable for railway. According to the characteristics of railway cable outer sheath fault, under the condition of separation of cable sheath and shielding layer, The bridge method or voltage drop method is used to initially measure the grounding fault of the cable outer sheath, and then cooperate with the special receiver to accurately find the fault point. At present, the cable fault detector sold on the market is mainly divided into two types: 1. It is a cable fault detector designed according to the principle of echo method: the components mainly include intelligent waveform detection analyzer, Pathfinder, DC high-voltage generator (including console and AC / DC high-voltage test transformer), capacitance, ball gap, pointing instrument, etc. 2. It is a cable fault detector designed and manufactured according to the principle of bridge method: the components mainly include fault location bridge (high and low voltage bridge), pointing instrument, path instrument, wave reflection fault location instrument, etc. The above two kinds of cable fault detectors include coarse side positioning part and accurate fixed point part of cable fault. Intelligent cable fault tester will be a new demand. The above is the purchasing knowledge of cable fault tester. I hope it can help those in need.
Introduction to Underground Pipeline Detector
Introduction to Underground Pipeline Detector
Classification of underground pipeline detectors 1. One category is to detect metal pipelines, electric / optical cables and some non-metallic pipelines with metal marker lines by using the principle of electromagnetic induction. This category is referred to as pipeline detectors for short. Advantages: fast detection speed, simple and intuitive, convenient operation and high sensitivity. Disadvantages: (underground pipeline detector) when detecting non-metallic pipelines, non-metallic probes must be used. This method is laborious and needs to invade the interior of the pipeline. 2. The other is to use electromagnetic wave to detect underground pipelines of all materials, which can also be used to find underground buried objects, commonly known as radar, also known as pipeline radar. Advantages: (underground pipeline detector) can detect pipelines of all materials. Disadvantages: high requirements for environment, poor sounding ability (it is difficult to check pipelines with deep buried depth), and high requirements for operator quality and experience. Any instrument is not superior and needs to be used together in order to give full play to their excellence. Traditionally, pipeline detectors only refer to pipeline detectors using the principle of electromagnetic induction, and also use * many instruments. Dear customers: Hello, our company is a high-quality development group with strong technical force to provide users with high-quality products Complete solutions and superior technical service companies. The enterprise adheres to the tenet of building a business in good faith, keeping the business with quality and developing the business with enterprising. It continues to climb new peaks with a firmer pace and make contributions to the national automation industry. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!
What to Know Before Using the Pipeline Detector
What to Know Before Using the Pipeline Detector
If the power system wants to operate stably, the power cable really needs special attention. Cable is the main bearing tool in the power system. During the use of cable, it may be affected by various factors, resulting in failure, which needs to be repaired in time. Cables are buried underground, so special detection tools are needed to quickly find out the fault point, so that the staff can repair them in time. Pipeline detector is a common cable fault detection equipment. Today, we mainly introduce the problems that should be understood before using the pipeline detector. Today, Xiaobian will give you a detailed introduction to the relevant knowledge you need to know before using the pipeline detector. Friends who want to know will follow Xiaobian's introduction. 1. Graphic display is adopted, which can continuously and real-time display various parameters and signal strength in the detection process. 2. When measuring the depth, it will automatically switch to the dual horizontal antenna mode and automatically adjust the sensitivity of the receiver to optimize the measurement signal. After sounding, it will automatically return to the working mode before sounding. 3. Single horizontal antenna, double horizontal antenna and vertical antenna are used to mutually verify the accuracy of pipeline measurement. 4. It has a variety of depth measurement methods: double coil direct reading method and 70% method; Single coil 80% method, 50% method and 45 degree angle method. 5. High sensitivity, strong anti-interference and accurate positioning. 6. Function of multimeter: test the continuity and insulation quality of cable before and after cable fault finding. Internal structure of pipeline detector: 1. Transmitter: apply a special frequency signal current to the tested pipeline. Generally, three excitation modes are adopted: direct connection method, induction method and clamp method. Transmitter technical parameters injection mode: 480HZ, 31khz induction Clamp mode 31khz output voltage 0-400vp-p automatically / manually adjust the output waveform sine wave power supply 12VDC 4.5ah lithium battery maximum output power 10W 2. Receiver: the receiver has a built-in induction coil to receive the magnetic field signal of the pipeline, and the coil generates induced current, so as to calculate the direction and path of the pipeline. 2. There are generally three receiving modes: peak mode (maximum), valley mode (minimum) and wide peak mode; In addition, more advanced instruments now generally have peak arrow mode (which combines the advantages of peak and valley values to make the operation more intuitive) and compass guidance (used to indicate the direction of the pipeline). 3. Technical parameters of receiver: receiving sensitivity i100 & mu; A@1M Defense against 50Hz Interference & Ge; 100dB power consumption & lt; 1.0W power supply, 12V 1.5Ah lithium battery, maximum test burial depth of 4.5m, test burial depth error, ± 0.05h± 5cm (H is the buried depth of the optical cable) test the route error 5cm, test the insulation degree of the line 25m & omega; The effective length of pipeline route and buried depth tested by injection method shall not be less than 20km (under normal conditions). 4. Use the induction method to test the line route and buried depth, and the effective length shall not be less than 3km (under normal conditions). Note: under normal conditions, it means that the tested pipeline has no insulation fault and other interference within the above measurement range.
How to Quickly Locate Cable Faults
How to Quickly Locate Cable Faults
With the different cable laying methods, the difficulty of cable fault location is gradually increasing. Among them, the positioning and search of bridge, tunnel and open laying in ditch is relatively simple, and the positioning and search of direct burial is the most difficult. When the fault nature is simple, the special cable fault location equipment can be used to locate the fault within dozens of minutes. When the fault is special, it often takes 4-5 days or even longer to locate the fault. How to quickly locate cable faults? When using echo method for cable fault location, sometimes by transferring the fault phase and wiring mode, complex faults are often transformed into simple faults, and the fault location is quickly determined to win time for the emergency repair of on-site lines, which is of great significance to the power supply user department. Low voltage power cables are generally multi-core cables. After laying and continuous use, they generally show two core and multi-core phase to phase or phase to ground short circuit faults. Sometimes, when it is detected that the fault waveform collected by a core is not ideal, it can be considered to convert the wiring to other fault cores for fault waveform detection, which often has unexpected effects. The collected and detected waveforms will become more typical and regular, so the specific location of cable fault point can be determined quickly. During the long-term on-site measurement of cable customers, it is found that the fault of small cross-section copper core directly buried power cable (35mm2 and below) and aluminum core cable may be accompanied by short-circuit and wire breaking fault at the same time. During on-site detection, changing the short-circuit fault to wire breaking fault measurement according to the different fault nature of each fault core will often double everything with half the effort. For the medium voltage direct buried power cable with extruded armor as the inner lining, the fault is mostly caused by external mechanical damage. When the insulating core fails, the inner lining may have been damaged. In case of special cable insulation fault, it is difficult to collect waveform with professional cable fault instrument. It can be considered to use the acoustic method to apply the high-voltage pulse directly between the steel strip and copper shielding layer of the cable, which will often be fixed quickly. In the field measurement process, we also found that when using the acoustic measurement method to locate the fault point of low-voltage cable, when the high-voltage line and ground wire are connected between the bad phase and the metal shield or armor, the sound is very small, so the probe can not be used to listen to the fixed point, and the effect is not ideal. Through the actual listening side on site for many times, it is found that if the distance between the discharge ball gap is appropriately increased, and the high voltage and grounding wire are connected between the two phases of the fault, the discharge sound will become larger and the fault point will be determined quickly.
When Purchasing a Cable Fault Tester, Pay Attention to These Points to Avoid Entering the Pit
When Purchasing a Cable Fault Tester, Pay Attention to These Points to Avoid Entering the Pit
. the cable fault tester is an important tool for the power part to maintain the normal operation of the cable. It helps the power staff quickly reach the fault point and eliminate the fault in time, so as to ensure the normal operation and smoothness of the cable. Many people have introduced cable fault flashover and Gaozu fault, so pay attention to these points when buying to easily help you avoid stepping on the pit 1. You can't just look at the price, because what you need is an efficient and accurate testing equipment with perfect supporting after-sales service and pre-sales technical service guidance. These should be communicated and determined before purchase. It is worth paying attention to the details such as the list of accessories when the equipment leaves the factory, the use and installation after receiving, whether relevant technicians come to the site for guidance, or whether the use video is provided. The selection of cable fault detection equipment manufacturers is guaranteed. 2. Define your needs. This is to clarify the key parameters of the type and model of fault detection equipment you buy according to the scope of your use. The application scope of power cable fault test is relatively wide. It is compared with the communication cable fault tester, which is used to detect the fault point of communication cable. Many buyers, or purchasing departments, especially some power departments, are separated from the user department and the purchasing department. It is found that many remain unchanged in use, or even have no after-sales service at all. In fact, the basic principles of cable fault tester are almost the same, but the real competition is the service and product quality itself. I hope you can choose a cost-effective power fault detection equipment from the details when purchasing.
Model Prototyping and OXO Electric Screwdriver
Model Prototyping and OXO Electric Screwdriver
This project is part of a UX Prototyping class that involves weekly prototyping challenge.ChallengeCreate a two model prototypes of an electric screw driver for OXO. First create a quick and rough cardboard model to visualize the placement of controls and functionality. The second prototype will be higher fidelity with a strong focus on ergonomics.The electric screw drivers must have the following variable speed control mechanism/interaction for changing between speeds screw-driver selection mechanism allows you to automatically select and switch between either Phillips or flathead shape and five different sizes of each shape. direction selection mechanism (non-digital) to either screw in or unscrew digital readout (monochromatic, non-touch sensitive) Displays number of screws screwed and screws unscrewed for tracking your progress as a handyman/handywoman. can be used right or left-handed product dimensions are a minimum of 6 inches long 2.5 inch x 2.5 inch battery with charge port attached product weight is between 11.5 poundsResearchBefore ideating, I researched the OXO company brand and their products. OXO is known for their signature non-slip and comfortable handles. They are advocates for universal and easy to use products for everyone.Looking closely at the product handles they have similar round rubber handles that are sized appropriately to the average grip. The paddle and plow handles in Figure 1 are good example of OXOs comfortable handles. The plow has curves that leverage a persons thrust. I took inspirations from these designs into the model prototypes handles. Design: 1st ModelThe priority of the screwdriver was the comfort of the grip, so I focused on the handle first and then designed the rest of the screw driver around it. I used a similar angled handle on the screw driver like the plow above. This angled handle fit the natural angle of the human hand. In this position users could comfortably hold the screw head level and apply weight without straining the wrist. Influenced by the OXOs ease of use I placed the majority of the functionality near the handle. I placed scroll wheels to change the speed and direction of the drill within comfortable reach of the thumb. The digital read out is also close the grip. I added a reset button for the read out right below the screen. Lastly, I used a screw-driver selection mechanism that can be changed by first pulling out the head of the screw driver and the twisting it to a different size and shape. Feedback: 1st ModelAfter completing the first model I received critique from two peers. I specifically asked for feedback on three criterions: comfort, ease of use, and ease of access to controls. The table below summarizes their feedback. This feedback guided redesigns for the second model.Design: 2nd ModelTo address the negative feedback I focused on fixing three things- Longer handle with added weight and better grip- Curved elbow between handle and base- Clear instructions for changing screw driver size and shapeBefore I drafted these changes, I visited the art store to look for materials that would give me freedom to form the grip well. I then drafted a redesigned screwdriver that addressed the feedback. I spent most of the time forming the foam that made up the grip and controls on the elbow. I then added clay to give the grip better shape and add weight to it. I used foam stickers and markings to emphasize buttons and functions of the screwdriver. ModelPrototype. mp4Edit descriptiondrive. google. comFeedback: 1st ModelAn in class critique session helped evaluate the usability and comfort of the screwdriver. I got good reviews from most of my class mates with suggestions on small design choices.IN/OUT for digital read out isnt as clear as Screwed/UnscrewedThe screw-driver selection mechanism is confusing. The large red arrow misleading because it is on the part of the screwdriver that doesnt moveThe prototype is balanced but too light to get a good sense of how it would be usedLessons LearnedI enjoyed the challenge making these two models out of random materials and learning a few lessons in process.Iterating and testing provides valuable feedback and a better product.Weight is important for testing how the real prototype would feelEveryone has different bodies so it is important to test ergonomics with many people. RELATED QUESTION Why are courier packaging bags so popular? Courier packaging bags also known as tamper proof courier bags or security bags are the packaging material of choice for a variety of reasons. A few of the most important reasons for their popularity is : Versatility - These bags work for almost every kind of industry, since they can be fabricated to any size required - big or small. Environment Proof - These bags are made of plastic and hence are protected from environmental factors such as dirt , moisture , dust, water etc. Easy to Use - All you have to do is place the item inside and close the bag, no advance machinery required :) Tamper proof features - These bags have mechanisms in built into the bag that help detect any kind of tampering or pilferage during transit. Easy to brand - These bags can be branded in low quantities and customised courier bags have become the staple for every eCommerce startup looking to scale quickly. Budget Friendly - Probable the biggest reason for their popularity. These bags are available for a very budget friendly price, that is a big lure for companies looking to improve their bottom line. I hope this quick list helps :)
Does the LG Dare Come with a USB Data Cable Cord?
Does the LG Dare Come with a USB Data Cable Cord?
i think it does i would just go to the place where u got it from and tell them what happened theyll be glad to get you another one1. how USB data cable used for transferring data from cellphone to the memory of the computer?Well you will need to connect the cellphone to the computer through the USB cable provided with the cellphone and install the software that will make the computer recognise the cellphone, otherwise connecting the cellphone via the USB cable alone will not work (except maybe the cell phone has the relevant bios in the operating system you have running on your computer). It is this software contained in the installation CD that comes with your cellphone, that contains the required suites that allows you to download/transfer datafrom the cellphone to your computer. All you ned do after proper installation is to connect the part of the USB cable to the port indicated on your cellphone (you will get this from your phone manual) and then the other part to the USB port on your computer.2. What Website Is More Reliable, For a LG Electronics USB Data Cable for LG EnV2 VX9100?a good one is PENisland.com3. what are the best deals on wireless cell, wireless data, cable and internet service right now?AT&T is bout the only one that does that forreal everybody else has somethin missin (Sprint, Verizon, and TMobile) unless you do cell service with one company and do everything else with somebody else4. Data cable for cell phone helpppp!!!?maybe ur system not support or software not support so,go to lg chocolate home page and download ur correct driver and ur pc suite software.the sofware is free.download ur sofware manually in ur phone site.......... if u think ur sofware and ur sytem requirement is correct try to connect using bluetooth or infra red5. From where i can download LG B2050 USB Data Cable Driver?Try looking here6. which is better? nokia N75 or N76? or is there any other fold phone from nokis is good?Nokia's are pretty good phones. A lot of different styles with functions and features. Nokia N75 (Multimedia Phone) The fantastic Nokia N75 for AT&T is a phenomenally capable "next generation" phone. The Nokia N75 lets you enjoy streaming AT&T TV and Radio, or surf the Web or email at near-broadband download speed. Plus, the Nokia N75 has Bluetooth, a built-in music player and FM stereo with great sound, a 2.0 Megapixel camera/camcorder, and an expandable memory card slot. With all this in a thin, eye-catching shell, you may find that your Nokia N75 spends more time in your hand than in your pocket Highlights Super-loaded Entertainment Phone With High-speed Data Download Capability Watch Streaming AT&T TV, or Listen To Streaming Radio Bluetooth Wireless Technology Built-in Music Player and FM Stereo Radio With Equalizer And Stereo Speakers 2.0 Megapixel Digital Camera Takes Print-quality Stills Record Extra-long And High-quality Video Clips Expandable Memory Card To Store Your Songs, Pictures and Videos What is In The Box With The Phone Additional Items Included - Battery, Data Cable, Charger, User Guide Advanced Features Digital Camera - 2.0 Megapixels (1600 x 1200 Pixel Resolution Max), 4x Digital Zoom, LED Flash, PictBridge Software Streaming Multimedia Support - Yes, Enjoy Streaming AT&T TV With HBO Or AT&T Music With MTV, XM and Yahoo! Your more then welcome to them. Feel free to email me at7. Soldering a SATA-Data cable to a HDDActually, there's only 4 pins that matter You have 4 wires for signal, 2 per 'channel' and 3 grounds (which should be tied together anyway). The 4 bare wires on the outside of each pair/channel are ground, and any three should work.You absolutely do not want to do this without a multimeter. That said, I strongly recommend plugging one end into a switched off PC or drive and checking continuity between all 4 ground wires (on the outside) and checking each pin and its corresponding wire to ensure you know which wire is which. If you do not have a multimeter, you ought to get one and learn the basics of using it - continuity testing is about the simplest function in one. I am also not sure if trace lengths matter here, and that may be an issue. Not sure how to deal with that considering everything I've seen in the question though
How to Use the Wire and Cable Fault Tester to Quickly Find the Fault Point
How to Use the Wire and Cable Fault Tester to Quickly Find the Fault Point
In case of cable fault, power workers usually need to use cable fault tester to determine the location of fault point, so as to facilitate power workers to maintain cables. What problems should be paid attention to when using wire and cable fault tester to test fault points? Xiaobian summarized the following points on this issue. I hope you can solve your doubts and answer questions. Interested friends can have a look. 1. The gap between the discharge balls should not be increased. After using the cable fault comprehensive tester to roughly test the position of the fault point, if the gap between the discharge balls is adjusted too large, the impulse voltage will become higher, the high-voltage impulse time is too long, the fault point will be short circuited, the fault point will not discharge, and the fault point is difficult to find. Therefore, it should be noted that the gap between the discharge balls should not be adjusted too large. 2. In special cases, two fault testers can be used. If the soil layer is too thick, the surrounding environment has great interference, or the cable itself is damaged, resulting in weak vibration signal transmitted to the ground when the fault point is discharged, which makes it difficult to locate the fault point, two wire and cable fault testers can be used by taking advantage of the simultaneous occurrence of vibration wave and electromagnetic wave generated during fault click discharge. Use the probe and the probe to work at the fixed point at the same time. When two instruments hear a bang at the same time, and then find the sound point, we can accurately find the location of the fault point. 3. How to find the loudest point at the fixed point: after hearing the regular discharge sound, move the tester back and forth along the direction of the cable to find the position with large discharge sound. At this time, pay attention to reducing the output volume of the tester, and then slowly find the place with a loud sound. 4. Pay attention to replacing the battery. When the instrument is not in use, the power supply needs to be turned off in time. If the battery is low, the sensitivity of the instrument during test may be reduced, resulting in increased noise. Consider changing the battery at this time. 5. Check the wiring. If the shielding layer of the input line of the instrument is in poor contact, resulting in the sound of the radio station from the headset, you can check whether the wiring is correct. Precautions for cable laying: I. when using drainage pipes, the following provisions shall be observed: 1. The number of pipe holes shall be properly reserved according to the development needs. 2. For cables with large difference in conductor working temperature, different pipe banks should be set at appropriate spacing. C. the covering thickness of pipe top soil shall not be less than 0.5m. 3. The pipeline shall be placed on the leveled and compacted soil layer, and sufficient cushion blocks shall be provided to keep it continuous and straight; The longitudinal drainage gradient shall not be less than 0.2%. II. Requirements for cable wells. 1. Cable wells shall be set in the following parts of long cable ducts: (1) the limited distance of traction force between cables. (2) Cable branches and joints. (3) The direction of the pipeline changes greatly, or the cable goes directly underground through the drainage pipe. (4) The slope of the pipeline is large, and the fixation must be strengthened to prevent the cable from sliding. 2. Cable trench in power distribution room cable trench in power distribution room is generally used for incoming and outgoing lines of power distribution equipment, which is basically divided into under cabinet trench and double line trench. The cable trench wall is mu10 autoclaved lime brick, M5 cement sand, 1:2 cement mortar plastering of the trench wall, C20 concrete for coping and foundation, and channel steel shall be embedded under the equipment.
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