Residential safety
California Homeowner's Guide to Holiday Lights
Plan temporary seasonal lighting with suitable equipment, safe connections, and attention to outdoor conditions.
Published Guide updated
New guide published October 14, 2026, with original guidance on a topic from the previous SoCal website. It replaces the earlier article and does not reproduce its text or claim its publication date.
Plan the display before buying lights
Sketch the areas you want to illuminate and identify available outlets, walking routes, and where equipment will be stored afterward. Separate temporary holiday decorations from permanent landscape lighting. If the plan depends on long cords, hard-to-reach outlets, or an uncertain electrical supply, have those limitations reviewed before installation. A modest display with suitable power and access is easier to manage than one expanded around whatever outlets happen to be nearby.
Check the lights and their intended use
Choose products bearing an independent testing laboratory label and check whether each light set and extension cord is intended for indoor or outdoor use. Before use, inspect unplugged sets for damaged sockets, frayed insulation, or loose connections; discard damaged sets. Read the manufacturer's connection limits and power ratings for the actual products. Do not assume that every string can be connected to the same number of additional strings.
Review outdoor power with an electrician
CPSC advises using GFCI protection for outdoor decorative lighting. If the existing outlet's protection, condition, or suitability for the location is uncertain, ask a qualified electrician to assess it. Explain where the display will be used and how it will be controlled. A tripping protective device is a reason to stop and investigate, not bypass protection or repeatedly reset it. Keep installation and repair of permanent wiring within a properly planned electrical scope.
Make operation part of the plan
Plan a convenient way to turn decorations off. CPSC recommends switching holiday lights off before leaving home or going to bed. If considering a timer or connected control, check that its ratings and intended environment match the load and location. Keep the manufacturer's instructions with the products so the person taking over the display can operate it without guessing.
Prepare for next season
After the season, label the equipment by location and record anything that needs attention before reuse. Keep a separate list of permanent improvements to discuss with an electrician, such as outdoor outlet access or lighting controls. This makes the next proposal specific and avoids treating temporary decorations as a substitute for a lasting electrical installation.