Recent content by leroItovi

I am assuming from the question we can go the non UL route. The total current draw from the alarm output terminals cannot exceed 2 amps. The back-up battery must be installed since the current is supplied by the battery. You can use a relay triggered by the bell output to add most any siren or...

You guys seem to have covered most everything very well. I especially like the mention of the dual magnet suggestion. I have run across window/door sensors with a normally open option. I thought it worth mentioning: normally closed contacts - multiple contacts wired in series normal state =...