What are PAR38 Bulbs? Parabolic aluminized reflector (PAR) 38 bulbs control light more precisely. LED PAR lights produce about four times the concentrated light intensity of general service A shape incandescents, and are used in recessed and track lighting. … Therefore, a PAR 38 is 4.75 inches in diameter.

Is PAR38 waterproof?

✅Weatherproof – The PAR38 outdoor flood bulbs are IP65 waterproof, suitable for both indoor and outdoor, ideal applications include bathroom, kitchen, garden, eaves, driveways, basements, etc.

Can I use PAR38 instead of PAR30?

1 Answer. First the good news: Electrically it would be fine as long as the PAR38 bulb’s wattage does not exceed the receptacle’s maximum wattage.