Electrical Know-How

A run of dead outlets in an older Rio Vista house usually traces back to one tired connection. How the fault gets found before any part is replaced.

Where GFCI protection belongs in an older Rio Vista house, from kitchen counters and baths out to the dock, and how the right device is chosen for each spot.

Why a smart switch often will not work in an older Rio Vista switch box, what the missing neutral means, and how LED dimmers and warm plates fit in.

On low Delta ground near Rio Vista, a septic lift pump and a sump cannot sit idle through a shutoff. How a transfer switch and generator keep them on.

Older storefronts in historic downtown Rio Vista often run on aging service equipment. What gets checked before a tenant adds equipment or new lighting.

A dead or tripping circuit in a Fairfield home with rooftop solar: how the PV breaker, rapid shutdown and meter-main change the way the fault gets found.

Older Fairfield homes still run on original, sometimes rusted service equipment. What a load calculation finds, and how replacement day works with PG&E.

A tenant moving into a Fairfield commercial or business-park suite with equipment it was never wired for: new circuits, a transformer, a subpanel and permits.

Ready for the next power shutoff in Fairfield: a generator inlet and interlock at the garage panel or a standby unit with a transfer switch, and what to carry.

Under-cabinet LED lighting in a Fairfield kitchen: hardwired vs plug-in, drivers and dimmers, where the feed comes from, and why cheap strips flicker or quit.