今有一事不明请教于诸位(电）

来源: 于 2012-05-05 18:38:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
Hardwired smoke alarm, wired as shown in manual,all new, from the same box, should not have compatibility issue, right? Each one worked, but not together.

Any ideas?

It's not the existing lines. I cut a 14-3 line just to test them. Did not work.