Q:What are the characteristics of Teflon heat shrink tubing

Appendix B Construction Division (sub-division) project, sub-project division B.0.1 Construction Division (sub-division) project, sub-project can be divided according to Table B.0.1Appendix B Construction Division (sub-division) project, sub-project division B.0.1 Construction Division (sub-division) project, sub-project can be divided according to Table B.0.1

Q:Is the RVV power cable also called a cable?

Depending on the actual situation and design there is no future addition or function increase. If not increased or the second phase design should not be reserved, because the general integrated wiring warranty period is 20 years. If it is damaged during the warranty period, the construction unit is responsible for solving! Fiber is generally called spare. Not reserved! Prepare a 4-core and so on.

Q:The difference between the instrument cable and the low voltage power cable

Two wire, to ensure that the surrounding quiet, with the ears to determine the clogging range, and then picked up the electric pick

Q:We are now the construction site will all BV line to AF? What is the purpose, AF line in the end where the better

The thickness of the three kinds of tubes produced by various manufacturers are not the same, depending on how much you need, there is only one standard, that is, require manufacturers to provide qualified products according to national standards.

Q:Mechanical parts, standard room, special-shaped pieces, wire and cable, instrumentation. Hardware tools, lifting equipment spare parts what factory to sell

The reason is insufficient power supply. U disk what is not like the hard disk needs mechanical rotation, power consumption, so can easily bring and use. Solution: First, the mobile power line with 3 headline, increase the head of an external USB power supply or computer USB port. Second, do not use HUB or use the HUB with charger. Third, do not use mobile hard disk, the use of large capacity U disk.

Q:Instrument cable linked to the card EJB, sjb on behalf of what it means

This is no problem, as long as not overheating, summer get a small fan blowing on the line. Put the server must be on the air conditioning. Or on the down.

Q:Who provided the more to the sub-gave to whom, thank you for helping

Short-term work optional 4 square, long-term work, the proposed selection of 6 square and above.

Q:Single-wire and stranded general use, instrument control cable can use a single line?

Shielding requirements of the higher number of cores is generally 3 +3 three phase line ground three symmetrical and phase line intersection.

Q:For example: WDZB-YJY-3 * 2.5RVSPWEL, etc. Thank you, I am a novice, just enter more

Hello: - ★ . "the scene can not be fixed, with a very tight tie in the cable through the transformer line up" ... ... emergency use is entirely possible. - . need to pay attention to the problem: through the heart of the current transformer (temporary cable tie is firmly tied to the wire through the transformer) to install, to prevent the secondary wiring screws touch the other wire, To prevent measurement is not accurate. - ★ . pay attention to the second line of the line to be strong, to avoid open circuit. The secondary conductor shall be of 2.5 square copper wire (not less than 2.5 square meters).

Q:Can KVV control cables be used for home heating?

Can, in the water pipe on the top 0.3 meters wear protective tube on the line, if the optocoupler should do a good anti-corrosion on the line.