Lighting & Outlets
Choosing outlets (GFCI, AFCI, tamper-resistant, USB), LED recessed lighting under California Title 24, and fixing LED dimmer flicker.
The right lights and outlets make a home easier and safer to live in. These guides cover outlet types, LED recessed lighting under California's Title 24 rules, and how to fix dimmers that flicker.
Guides in this section 3
Outlet types: GFCI, AFCI, tamper-resistant, USB and 20-amp
Which outlet goes where: GFCI, AFCI, tamper-resistant, weather-resistant, USB and 20-amp outlets, and what California code generally requires.
Read guide Lighting & OutletsLED recessed lighting and California Title 24
California Title 24 energy rules for home lighting in plain English: high-efficacy and JA8 lights, IC-rated airtight recessed cans, vacancy sensors and dimmers.
Read guide Lighting & OutletsWhy LED lights flicker or buzz on a dimmer
LED flicker, buzzing and lights that will not fully dim are usually a dimmer compatibility problem. What causes it and what an electrician checks.
Read guideHelpful tools
Wire size calculator
Free wire size calculator: enter amps, copper or aluminum, and distance to see the minimum AWG by NEC 310.16 ampacity and for 3% voltage drop. Rough guide.
Open tool ToolVoltage drop calculator
Free voltage drop calculator: enter wire size, copper or aluminum, amps and one-way distance to see volts lost and percent drop. NEC Chapter 9 Table 8 values.
Open toolWe’re a family-run, licensed C‑10 electrician in Auburn.
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General information for California homes. Local rules and inspectors can vary. Not a substitute for an on-site inspection.