Lighting products

Lighting products

Industry: Lights & lighting

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Lighting products

candlepower distribution curve

Lights & lighting; Lighting products

A graphical presentation of the distribution of light intensity of a light source, usually a reflector lamp or luminaire.

capacitor

Lights & lighting; Lighting products

Device in ballast that stores electrical energy. Often used for power factor correction and lamp regulation.

case quantity or standard package quantity

Lights & lighting; Lighting products

Number of product units packed in a master case. Also known as Standard Package Quantity.

cathode

Lights & lighting; Lighting products

Metal filaments that emit electrons in a fluorescent lamp. Negatively charged free electrons emitted by the cathode are attracted to the positive electrode (anode), creating an electric current ...

cathode resistance

Lights & lighting; Lighting products

Resistance of the cathode in a Fluorescent lamp. It is measured "cold" before the lamp is turned on (Rc) or "hot" after the lamp is turned on (Rh). The ratio of the hot resistance to the cold ...