Lights & lighting

Lights & lighting

Any device used for illumination, either for practical use or deliberate aesthetic effect.

6Categories 9163Terms

Add a new term

Contributors in Lights & lighting

Become a Contributors

Lights & lighting > Lighting products

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 ...

open circuit voltage (OCV)

Lights & lighting; Lighting products

Open Circuit Voltage measured across the socket the lamp screws into, with the ballast powered on. It is dangerous to stick a voltmeter into such a socket without precise ...