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P
PROTOCOL
- An electronic communication signal by which the electronic devices in a lighting system can share information. Standard lighting protocols include AMX, DMX, MIDI, as well as many proprietary protocols utilized by specific manufacturers.
- Electronic communication signal.
PSU
Power Supply Unit.
PULL
The amount of electrical power required by a touring show in a venue.
PVC TAPE
Plastic insulating tape used for taping cables to bars and for securing coiled cables. Neater and cheaper than Gaffa tape. Also known as LX tape.
PYROTECHNICS
(Pyro) Chemical explosive or flammable firework effects with a manual detonation. Usually electrically fired with special designed fail-safe equipment. There are many different variations of pyrotechnic effects available. The categories are as follows:
Theatrical Flash - a flash and a cloud of smoke
Maroon: produces a very loud bang. Must only be detonated inside a bomb tank covered with a protective mesh.
Gerb: version of the Roman Candle firework, throwing a shower of sparks into the air. Possibly named from the French "Gerbe" meaning a sheaf of wheat, due to it's shape.
All pyrotechnics should be used with close reference to local licensing laws, and the manufacturers instructions. Professional advice should be sought before the first use of effects.
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