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What are the varieties of wire and cable (detailed point)
The meaning of the letter: W refers to the halogen-free, D refers to the low smoke, Z refers to the flame retardant WDZ is halogen-free low smoke flame retardant jacket power cable. WDZC refers to halogen-free low smoke C-class flame retardant
What machinery is required to make wire and cable?
Line pipe is poured before the concrete is laid on the cloth, fixed on the template or steel, pouring a need to install a class at any time to adjust its position!
I would like to ask my new workshop power consumption of about 500KW, injection molding machine, 60KW . 40KW . 20KW . the other 20KW, how much should the wire? Respectively how to use lines and switches more
There must be no room for consultation I did not have to do for seven years lazy they want to do nothing irresponsible
Why this cable has not yet been certified
The manufacture of wire and cable is completely different from that of most electromechanical products
Do not know why not mislead. The The The The The Fire resistance is IECGBBS6387. GB is the general principle of flame retardant and fire resistant wire and cable, quoted the above criteria...........................
About 140 PVC threading tube, which depends on how many lines you row. PPR cold / hot water pipe 42 meters, PPR cold / hot water pipe with 4 m / root and 6 m / root of the points, short will make the joints more recommended to use long, generally longer expensive. Decoration in meters to count, to facilitate the settlement of labor, 42 meters is the amount of my home My house 115 square meters, indoor area of 98 square meters. I hope useful to you. According to the 2011 price, the general brand of wires and pipes, their own materials to buy, without artificial about 4000-5000 yuan. I decorated last year, the package to the decorating company hydropower workers with me to calculate the 9800 yuan it, of course, each region has a price difference.
Why does the bird stand on the wire without anything, but if people touch it,
Is not the home of the bus box? Generally put a cat, a router, a power outlet, two transformers, the other is the network cable and telephone, the key space to be enough
Rt, the charger did not change, has been no problem before, today just plugged into the charger, the results appear as if the problem, before the out of this problem, and now only ipad power off after the power can not be charged, and ipad start , Then immediately prompted the title, can not charge more
The proportion of the cross-sectional area of the cable through the embedded pipe is 20%
Wire and cable model ZD what does it mean
Put the water clean, with a table to measure the insulation resistance between the lines, as long as no less than 1.5-2 can.