Next, look for sockets of the same size (especially the height) and with the same type of switch (pull chain, twist knob, push button, etc.) as the old socket. Also check the socket's mounting system—how it attaches to the lamp. More Like This 1000Bulbs Lamp Wiring Basics Standard ...
aDisconnecting the ballast to switch to LED lamps costs roughly the same as replacing the ballast with one designed for a single fluorescent lamp, and would save as much energy. 分开石碴大致交换到LED灯费用同替换石碴一样用为一盏唯一日光灯设计的一个,和将节省同样多能量。[translate]...