ShIP to

Why the LED lamps and lanterns will dim after turn off the switch?

by:Dolight LED Panel     2020-09-09
Why the LED lamps and lanterns will dim after turn off the switch? LED lamps and lanterns is installed in the field of family is becoming very popular, residential area, whether to send to decorate now, they use the living room lamp, the bedroom lights, even the staircase lamps and lanterns, the nine times out of ten is done with the LED lamps and lanterns of lamps and lanterns. So in daily life, people if they meet the LED lamps and lanterns will dim the phenomenon after the switch? What is the reason why? Today we have to answer, why the LED lamps and lanterns will dim after turn off the switch? After turn off the LED lights, if normal, that means to control the switch of lamps and lanterns is right on the line of fire, and there will be a shiny or stroboscopic phenomenon, because of our lamps and lanterns of switch wiring on the zero line. It also estimates that because decorate a company to electrician lazy, put on line connected to the zero line of lamps will not charge. Popular point to explain this phenomenon, in the case of the wrong line, when we turn off the switch, is turn off under the condition of the zero line, the circuitry of the wire and the LED lamps and lanterns is still a connection, then the wire when the power is still continue to supply to the LED driver, so there will be a turn off the switch after the LED lamps and lanterns, still worry about a faint light. Although this is not appear the quality problem of the LED lamps and lanterns, but professional electrician should want to know, if the power switch is not use the power of fire, there may be a shock hazard. After turn off the LED lamps and lanterns switch will dim phenomenon of solution: 1, turn off the main switch above further check our guess is correct. 2, check whether the master switch control zero at the same time, if not controlled, can remove wiring upper-middle household zero line, check whether there is any flash. 3, with the shake table test ground earthing resistance size, see if the grounding is good, may be outdoor neutral grounding is not good, the resistance. Connected to the zero line, let clutter interference pulse voltage from the wall of the resistance of small release the filter, and let the fire zero voltage and zero line.
Custom message
Contact