Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.
电源线和电缆工人建造，维护和修复架空线和地下电力传输和配电系统。
3
No unit or individual may illegally occupy or utilize the land designated to substation facilities, transmissionline corridors, and cable channels.