My home was constructed 4 years ago. We have 5 standard smoke alarms and 2 combo smoke/CO detectors in the house. They are all hardwired to the home power. All alarms activate whenever a single unit activates.
The problem, whenever we have relatively close lightening strikes, the alarms go...
I have read several of the historical threads related to AC motor starter chatter. I have a similar issue with an 80HP 480 VAC motor controlled by an IEC starter with a 120VAC coil. System is powered from a 208 service stepped up to 480VAC. The 120 control voltage (300VA) dips to around...
