On taobao buy LED track light rail groove, found to have 2 line 3 line said, please explain. That since the rail groove has 2 lines, three lines, said if the LED track light also has 2 lines 3 lines, Or whether it is two lines, three lines of track, LED track light is common, only 3 lines than 2 line, the quality of security.
LED lamp holder is two lines, three lines or four lines, the track is a few lines, then the LED lamp also want to buy a few line, otherwise not. Below are four wire.
Track light inside 2 thread orbit is 2 copper wire inside on-orbit channel slot Is there a thread is grounded taobao is more contrived it was just a gimmick... Much ground just let you won't have induction lamp shell... It's nothing serious... In addition The orbit of all the above will be more than a thrum of grounding
2 line is only wire and zero line, 3 add a protective ground line. According to the specification of lamps and lanterns of metal shell to ground, general orbit shell are iron, so the application of 3 lines, also remember your power wiring if 3 lines.
