New circuits for appliances, garages, HVAC & workshops in Hercules, Contra Costa County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quoteSpace heaters, microwaves, window ACs and workshop tools sharing a circuit is why breakers trip in Hercules homes. Phasethree Electric installs dedicated circuits for appliances, HVAC, garages, home offices, mini splits, hot tubs and ADUs across Hercules and Contra Costa County.
240V circuits for dryers, ranges, wall ovens and cooktops, 30 to 60 amp circuits for heat pumps and mini splits, disconnects at the equipment and correctly sized wire and breakers.
Sub panels for garages, 20 amp tool circuits, 240V for welders and compressors, EV-ready outlets, LED shop lighting and outdoor outlets so your Hercules garage is a real workspace.
Sub panel feeds for accessory dwelling units, separate metering coordination and full rough-in and finish for additions. Also serving nearby Pinole, Rodeo, El Sobrante, Crockett. Call (833) 652-8933.
We provide dedicated circuit installation throughout Hercules and the surrounding communities of Contra Costa County.
Cost depends on distance from the panel and amperage. Short runs are quick and affordable; we quote a fixed price.
Yes. Each condenser requires a dedicated circuit and an outdoor disconnect.
Yes, new circuits require an electrical permit and inspection, which we handle.
“Smart switches finally work because they added neutrals at every box. Should have called them first instead of trying myself.”
Nina P.“Quoted me a firm price for recessed lighting in the kitchen and living room and the invoice matched to the dollar. Lights look fantastic.”
James O.“Whole house surge protector installed in under an hour. Peace of mind after the last PSPS event fried our garage opener.”
Ellen T.Upfront pricing · Same-day service · 24/7 emergency response