Metal Halide bulb won't start, won't light; Troubleshooting 175 watt metal halide bulb
Автор: YuDaMan
Загружено: 2017-11-29
Просмотров: 18862
Описание: This video shows why my 175 watt metal halide bulb would not start. This explanation probably applies to other metal halide bulb sizes (wattages) as well. The bimetal strip is supposed to make contact while the bulb is initially cold and then expand and OPEN as the bulb heats up and starts. it is essentially a thermal switch for the starting electrode ... closed when cold and open when hot, thereby shutting off the starting current to the start eletrode
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