Outdoor control circuit

Porch and motion-sensor light bulbs

Reviewed August 28, 2026

Answer

Choose a bulb supported by the fixture and sensor, with the required wet or damp rating, temperature range, shape and control compatibility.

Motion-sensor porch light mounted beside an exterior door — Outdoor exposure and the sensor circuit both affect which replacement lamp is suitable.

Bases you may encounter

These are common possibilities, not a substitute for the model documentation.

E26 mediumOpen guide →PAR38BR30Integrated LED

What to read on the old lamp and fixture

Read the fixture label and sensor instructions.
Identify exposure to direct rain.
Match lamp shape, wattage limit and operating temperature.
Test motion detection and shutoff after installation.