3 ms·
I've installed these doors. It's easy to mess up as the switch to determine the failure mode is part of the equipment. This was an untested install.
by bitJericho 10y ago
I've installed these doors. It's easy to mess up as the switch to determine the failure mode is part of the equipment. This was an untested install.
- cube00 10y agoHow does a mag lock fail closed with no power? Or are you talking about one of those strikes near the latch?
- kosievdmerwe 10y agoBatteries, I would guess. It's pretty bad if your security system allows entry to people when there is a black out.