[請問] 日光燈管換邊插?
日光燈管用久了一端會有小黑點
那是因為那塊溫度過高導致那其發光物質消耗掉
因為日光燈管不分左右邊為正電
照理說正電進來那邊應較容易溫度過高~
而正電哪邊進來在你當初安裝接線時就決定~
一般也不會去改~
所以只要把日光燈管換邊插~
就可延長燈管的壽命
這個說法成立嗎?
還是胡說的?
謝謝~
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