Straight answers to the questions we field at the counter every week — written for electricians, with the code sections named so you can verify them yourself.
Short, practical write-ups of the questions that come up most often on the phone and across the counter. Written for working electricians, with code sections named so you can confirm them yourself.
Why the answer is #3 copper or #1 aluminum at 75°C, and the five conditions that change it.
Read →What every letter on the jacket means, and when a wet-location rating is not optional.
Read →What each device senses, where each is generally required, and what to check before blaming the breaker.
Read →California's energy standards for lighting: high-efficacy sources, controls, and the certificates you will be asked for.
Read →The four categories of spec that have to match, and how we work a replacement from a label photo.
Read →These pages name the code sections rather than reciting numbers, because requirements change between code cycles and California amends the NEC in the California Electrical Code. Confirm anything you are going to build against the edition adopted for your permit and with your inspector. Ora Electric Lighting & Supply sells materials — we do not perform electrical work or provide design or engineering services.
Have a question that is not covered here? Call the counter at (818) 781-0771 or send us your material list for a same-day quote. You can also browse wire, cable and conduit, panels and breakers, lighting, and electrical supplies.
THHN/THWN-2, Romex, MC cable, EMT, PVC, flex and fittings. Cut to length.
View →Load centers, panelboards, standard, GFCI, AFCI and dual-function breakers.
View →Recessed, canless, track, linear, high bay, wall packs, landscape and lamps.
View →Boxes, devices, plates, connectors, lugs, grounding, drivers and controls.
View →Send us your list or call the counter. Same-day quotes, wire cut to length, special orders.