Q:What are the necessary functions and auxiliary functions of buried high voltage cables CPVC protection sleeves?

Now use flat cable, the outside are high voltage. Accompanied by the cable has a spare line, looking for elevator maintenance, and talk about some New Year's words, he will give you to find four lines to.

Q:(Eg, 10-30 pairs of cable with ф32 heat shrinkable tube, 50 pairs of cable with a large heat shrink tube, 100 pairs of cable with a large heat shrink tube, and so on. The The The The The And so on. Seek expert answer. The More

If the location is correct now there is no need to re-do, otherwise the wall more than the impact of the quality of housing. After the cloth is good, with cement mortar cast is the best, with fast sticky powder repair wall can also be. There is no cement mortar.

Q:Does the wire casing have an effect on the current?

There are many, useful PVC, PVC, useful, rubber, such as styrene butadiene rubber, butyl rubber and so on. Many can be.

Q:What is the meaning of the weak cable Outdoor weak cable buried laying, the size of the ditch is generally how much? How much does each increase?

The use of jacket line laying line does not require casing, if you want to casing, can only remove the wire in the casing. The method is as follows: . remove the power when the first disconnect the power, the experience to determine the power after the operation. . remove the wire casing, to a period of demolition. That is, to remove a section of a tube, so that the line will not make a mistake.

Q: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.

Q:Yjv22 cable laying pipe when the casing with plastic or steel pipe

In the power lines, the proportion of cable is gradually increasing

Q:Is to do the house and then install the wire, and then painted when the line buried or in the wall when the trough should be buried in the inside, and then string wire? More

Home design of the cable casing are PVC pipe. Engineering electrical installation of the cable bushing generally do not allow plastic pipe, are galvanized steel pipe

Q:2 [YJV22-4 * 185] -SC150-FC is the representative of the two YJV22-4 * 185 cable at the same time wear SC150 mean? Or are they wearing two tubes? why? More

Heat shrink tube and cable support: . the main insulation between the cable core, the exposed wire and the whole set of insulation with the original layer of not less than 20mm, tightened after the outer jacket; . The same with the original outer layer of the intersection of not less than 20mm, if possible where the moisture immersion, the intersection needs to be coated (heat shrink tubing) sealant. Heat shrink tubing and cable supporting the use of specifications:

Q:Where should the inner diameter of the plastic tube of the cable be at least the number of times the outer diameter of the cable? The cable is more online

The corresponding crystal head how to play to see the project design is T568A or T568B program

Q:Road street lamp cable sleeve sets of quotas

Extend the line, when the charger is not long enough to combine the two can be extended