What is the signalling voltage on hardwire smoke detectors? Is it acceptable to mix brands? Is it acceptable to have detectors on different electrical circuits, connected only with an interconnect ...
We have a connected garage with a bedroom above. It has proper fire rated sheetrock and a fire rated door. We use it for storage (including some paint and other normal chemicals). For this reason ...
I am considering adding hard-wired smoke detectors to my house. Due to other in-process remodeling projects and the structure of the house, I have access to get behind the drywall at each location ...
Sometimes my hardwired smoke alarm goes off for a few seconds for no apparent reason. For example I am not cooking or burning any substance. It is 3 years old and has a new battery. Other than ...
I just got done wiring boxes for my hardwired smoke detector system and am about to start installing detectors. When testing in the end, I heard they sell some test aerosol spray which is the ...
My landlord has recently reinstalled my smoke alarm. It is labelled on the smoke alarm as an "Optical" type. The smoke alarm appears to be working - it's powered by both mains electricity and battery ...