Black Wires First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says master electrician Allyson Saling with Frontdoor home services app ...

2. Pick a Power Source Hardwired smoke and carbon monoxide detectors tie into your home’s wiring—professional installation is required—and usually have backup batteries. Battery-only ...

If you told your doctor that the first thing you do when you walk into your vacation home is double check all the smoke detectors, she might refer you to a psychiatrist. But it might not be the ...

The most important update to the smoke alarm safety standards (known as the UL 217, 8th edition), which went into effect in 2024, means that new alarms are better at detecting both smoldering and ...