why outlet tester? there is no outlet in the picture?
【在 k*****a 的大作中提到】 : just buy an outlet tester
R*s
19 楼
I know you're right. But I just can't understand why American use black as 火. To me, white relates better to light and heat. Anybody has a good link on US color scheme for supply? Thanks.
【在 u****q 的大作中提到】 : 铜接地。黑火。不过要自己测一下才准。
R*s
20 楼
BTW, so far I've seen black, white, red, green, blue.
【在 R***s 的大作中提到】 : I know you're right. But I just can't understand why American use black as : 火. To me, white relates better to light and heat. Anybody has a good link : on US color scheme for supply? Thanks.