Outdoor Lighting Glossary

Come across a lighting word you aren't sure of? Completely new to the world of lighting? We feel your pain! Here you will find a collection of terms and concepts that should help to make your life easier.

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Select the first letter of the word from the list above to jump to appropriate section of the glossary.

Ohm's Law - A scientific law which states that current (amperes) in a circuit depends on resistance (ohms) and applied electromotive force (volts). Current (I) = Voltage (E) / Resistance (R). Or: I = E/R

Operating Current - Current in amps consumed by a lamp at rated watts.

Operating Voltage - Voltage at rated watts after lamp fully warms

Outlet Box - A metal box in which circuit wiring is spliced. It may also be used for mounting luminaires, switches or receptacles