and if there's a power cut for 4 or 5 days, you're stuck outside in the cold.
and if there's a power cut for 4 or 5 days, you're stuck outside in the cold.
Not entirely true. If the window is in a very public place on a street it?s unlikely entry will be through the window. A dodgy keysafe will be an easier/less obtrusive entry method.
Tim
Surely one can still use slave relays..
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