Wire troughs are also known as track troughs, wiring troughs, and so on. It is an electrical appliance that is used to standardize the wire and data cables, and is fixed on a wall or a ceiling. In the home improvement and maintenance of home decoration, the popularity of trunking also makes the wiring in the home safer and more beautiful. The online slot installation is more and more popular today, the following Xiaobian will give you an introduction to the specifications of the cable slot and Installation considerations, we can look at oh. What are the wire slot specifications The specifications of commonly used metal wire ducts include various types such as 50 mm×100 mm, 100 mm×100 mm, 100 mm×200 mm, 100 mm×300 mm, and 200 mm×400 mm. 2. There are many kinds of specifications for PVC trunking. From the model, there are: PVC-20 series, PVC-25 series, PVC-25F series, PVC-30 series, PVC-40 series, PVC-40Q series. From the specifications: 20mm*12mm, 25mm*12.5mm, 25mm*25mm, 30mm*15mm, 40mm*20mm and so on. Cable slot installation precautions 1. The groove is flat without distortion, the inner wall has no burrs, the joints are tight and straight, and various accessories are complete. 2. The slot joints should be flat, the joints should be straight and flat, and the groove cover should be flat, no warping angle, and the outlet position is correct. 3. When the trunking passes through deformation joints, the trunking shall be disconnected. The trunking shall be connected with a connecting plate and shall not be fixed. There shall be a compensation margin for the protective grounding wire. A bolt shall be fixed below the trunking CT300*100 and the Hengdan. Two bolts must be fixed above CT400*100. 4. All non-conductive parts of non-metallic trunking should be connected and bridged accordingly, making it a whole, and make the overall connection. 5. Lay the troughs in the shaft and the troughs that pass through different fire zones, and set up fireproof insulation measures according to the design requirements. 6. The length of steel trunking at the straight end is more than 30m plus the expansion joint, and the cable trunking is equipped with a compensation device across the deformation joint. 7. The length of the metal cable trunking and its support shall not be less than two places connected to the ground (PE) or zero (PEN) trunk. 8. The copper core grounding wire shall be connected across the connecting plate of the non-galvanized cable trunking. The minimum allowable cross-sectional area of ​​the grounding wire shall not be less than BVR-4 mm. 9. The two ends of the connecting plate between the galvanized cable trunking should not be connected to the grounding cable, but the two ends of the connecting plate should not be less than two connection fixing bolts with lock nuts or lock washers. The above are the wire trough specifications that we have brought to everyone, and the wiring trough installation precautions, wire troughs in our lives to give us a great help, we can all understand. If you want to know other related information, please continue to pay attention to this site, more exciting so stay tuned! Wires, wires, hoses, wires, cables Niobium Ingot,Niobium Sheet,Niobium Tube Baoji Yongshengtai Titanium Industry Co., Ltd. , https://www.bjystititanium.com
What are the wire slot installation precautions