Hardwired smoke/CO detectors, doorbells & cameras in San Ramon, Contra Costa County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteCalifornia requires smoke and carbon monoxide detectors in specific locations when a home is sold or remodeled, and older doorbells often need a new transformer before a video doorbell will work. Phasethree Electric handles smoke detector wiring, CO detector installation and doorbell wiring for homes and rentals in San Ramon and across Contra Costa County.
Interconnected detectors in every bedroom, hallway and on each level, with battery backup, so when one alarm sounds they all do. We replace detectors over ten years old and add units to meet San Ramon requirements for sales and permits.
New doorbell circuits, chime replacement, 16 to 24V transformer upgrades for Ring, Nest and Eufy doorbells, and wiring for a second entrance or gate.
Low-voltage wiring and PoE runs for cameras and outdoor outlets for wireless units. Also serving nearby Diablo, Danville, Dublin, Alamo. Call (833) 652-8933.
We provide smoke detector & doorbell wiring throughout San Ramon and the surrounding communities of Contra Costa County.
In each bedroom, outside sleeping areas and on every level; CO detectors are required outside sleeping areas and on each level in homes with fuel appliances or garages.
It usually needs a higher-output transformer. We replace it and confirm voltage at the doorbell.
Yes, we run new low-voltage wiring and install the transformer and chime.
“Got a 200 amp panel upgrade and an EV charger in one day. They handled the permit and the inspector passed it on the first visit.”
Derek W.“Had them do a full electrical inspection before we bought our house. The photo report saved us thousands in negotiations.”
Robert K.“They rewired our 1948 house room by room and we never lost power overnight. Walls were patched cleaner than we expected.”
Tom & Linda R.Upfront pricing · Same-day service · 24/7 emergency response