电力系统

来源: 于 2005-01-31 11:13:40 [旧帖] [给我悄悄话] 本文已被阅读：次

first decide how much amp you need, and get the breaker with enough amp. shut off the main breaker before you do any thing to the main breaker panel. there are alot help online, like this,
http://www.hammerzone.com/archives/elect/panel/breaker/install.htm

Since the main power comes in your house is 220V (at lease in my home), you can just use a double pole 220v breaker.