How To Replace Hard Wired Smoke Detector?

Do you have to replace hard wired smoke detectors?

Pros recommend changing hard-wired smoke alarms after 10 years.

Dear Michael: Your alarms are overdue for replacement, according to the National Fire Protection Association, which recommends that you replace a detector when it’s 10 years old.

How do you replace a hardwired smoke detector?

The steps are pretty simple:

  • Turn off the power.
  • Give your smoke alarm a twist to loosen it.
  • Disconnect your smoke alarm from the wiring harness.
  • Loosen the screws that hold the mounting bracket in place.
  • Remove the mounting bracket.
  • Disconnect the old wiring harness from the existing wires.

Can you unplug a hard wired smoke detector?

If there are no wires connecting it to the ceiling or wall, it is a battery-operated unit and there are no wires to be removed. If there are connecting wires, it is a hard-wired unit and the wires can be disconnected. Dismount from the ladder and flip the circuit breaker switch that controls the smoke detector.

How long do hard wired smoke detectors last?

10 years