[問題] 燈泡常壞怎找問題??
家裡的省電燈泡常壞
不管用飛利浦或者歐司朗的都差不多一樣壽命
家人懷疑是燈具或者電源有問題
可是燈具的功用不就把燈泡固定跟美觀而已嗎?
還能怎壞??
難道燈具裡面會有電路板跟電子元件??
另外據說開關的V跟ground接反會容易故障
但家裡沒有電表可以量測
有甚麼簡易的判斷方法嗎??
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