PVC wire tube heavy wall thickness is how much? PVC wire tube heavy (model) 16.20.25.32.40 the wall thickness of each number? More
With the capacitance test whether the wire is broken, not the use of capacitance test wire break, but the use of conductive wire after the distribution of capacitance, the conductor is broken, the capacitor is gone, there are ready-made disconnection tester, is the use of this principle.
Hello first answer your first question: a copper wire called the hard wire copper wire called the cord if it is your home improvement, then there is no more difference because the effect is the same hard line is cheap but not good then the software But it is expensive so it is recommended to buy the main line of the board line to buy hard line light line to buy the soft line, but if it is not a lot of words, then do not have points so fine me this is the maximum benefit to consider the second question: If you just tell is not true copper (Only the soft line) But if you want to buy the good quality of the rest of the other you do not have to control you tell the seller you want the national standard package inspection of the copper Line is a good line you then compare the price is not afraid of fooling remember to buy a line must be open to keep a good list
Using low pressure 1KV five core 2 heat shrink cable head (terminal) can, tell the manufacturer is 3 × 70 +2 × 35 specifications, when the manufacturers shipped, will naturally be unequal core specifications Peihuo, including heat shrink tubing And heat shrink five fingers included.
