Ask about the electrical engineering with a thin metal wire tube called what is called jdg or what to the
Wire and cable, is the industry's total call. But all the wires are called cables. Wire and cable classification Many control cables, there are cloth wires, there are overhead cables, control cables, marine cables, there are calculation cables. The What you call the power cable is a kind of wire and cable. That RVV belongs to the control cable, control cable, is not power, take the signal. For example, when used in a car, or some equipment, RVV mainly transmits some signals. Do not take the current. Of course, if you have to use it to take the current, it is not impossible. But I just said. It is a control cable, not a power cable.
The red, white, yellow line, the corresponding color into any group of TV input on it. Then, the TV switches to this port (eg VA. AV. etc.).
Reply 15 # cable spacing coefficient can be seen commonly used data to find, personally feel that in the civil building, the cable trench can determine the cable spacing, the bridge in the actual construction of cable spacing is unrealistic. By the way, especially in the basement, a lot of large cable cases, 100 high bridge is often not covered.
