What is the provisions of the provisions of the cable through the wall need to casing, such as how many chapters of the number of sections of the class! Hurry The
Wall thickness is 30CM, the cable threading pipe is generally located in the middle, the wire from the wall about 15CM. If it is installed temporary installation of wire threading pipe, generally from the wall 2CM on it. In accordance with the requirements of the general requirements of the installation of the switch installation height is 1300mm, the socket is 300mm, air conditioning socket is 1800 ~ 2200mm; wall in accordance with the norms is not allowed to take the horizontal pipeline, so the conventional approach is vertical inside the floor of the pipe is near In the home improvement, the wires buried in the wall are mostly single - core, the same cross - sectional area of the line, multi - strand is more reliable and more secure than single - core. But the price is expensive. The wiring of the wire is handled in the same way. But be careful to have to be wired at the cartridge. Buried in the wall of the wires are made of PVC pipe to do protection. Better protection is the iron pipe, but the cost is high, the installation is also more difficult.
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1. simple motherboard test card commonly used tools {screwdriver} and so on 2. purchase. Game disc. Mouse keyboard and the like. Headset, etc. 3. own a computer
First, the cable accessories cooling and heat shrinkage ①: on the cold shrink in terms of indoor, outdoor, intermediate connections, different models with the specifications (main material, auxiliary materials) are slightly different: ②: a variety of manufacturers Accessories are also different. . the main material: cold end (indoor, outdoor), casing, insulation tube, sealed tube, three finger sets, the middle connecting tube . auxiliary materials: semi-conductive belt, Filled with / sealant, weaving woven wire, constant force spring, the preparation of copper mesh, silicone grease, cleaning paper, gloves, gloves, waterproof composite belt, and so on small parts (different models and specifications used auxiliary materials Not the same) . in short, you ask the question a little bit! Really hard to answer carefully. : Elaborate
