Appendix I

Glossary of terms


A Ampere.

Abbott A manufacturer of single-conductor connectors used on feeder cable.

Absorption filter A filter which transmits selected wavelengths. The absorbed energy is converted to heat which raises the temperature of the filter.

AC (1) Alternating current. (2) Camera assistant.

Ace A 1 kW Fresnel light.

Acting area That portion of a stage used by the actors during a performance.

Adapter A device used to convert from one type of connector to another.

Additive colour mixing The superimposition of light beams, usually consisting of the primary colours, whereby the resultant light is the addition of the various wavelengths concerned (see Subtractive Colour Mixing).

Alligator clip, Crocodile (croc) clip, Bulldog ...

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