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G
GLS
General Lighting Service. Lamps designed for general everyday use.
GOBO HOLDER
A metal plate designed to hold a gobo of a particular size in a lantern of a
particular type.
GOING DARK.
Warning to people on stage that the lights are about to be switched off.
Normally said during lighting plotting sessions or technical rehearsals.
GRELCO
Brand name for a 2 way 5A or 15A electrical splitter. Another name is
SNAPPER (another brand name) or in the US "TWOFER". Sometimes shortened to
GRELLY. A three way splitter is known as a TRELLY (or THREEFER in the US).
These splitters are always wired parallel (voltage equal, current shared).
GROUND PLAN
Scaled plan showing the exact position (seen from above) of all items
standing on the stage floor and indicating the position of items suspended
above. Typical scales are 1:24 (.5" to 1 foot) or, metrically 1:25 (1cm to
.25m). Venues have a base plan showing proscenium, walls, seating etc on
which individual set and lighting plans can be drawn.
GROUNDROW
1) A long piece of scenery positioned at the base of a backcloth usually to
mask the very bottom of a cloth or lanterns lighting a cloth.
2) Compartmentalised floodlight battens at floor level used to light the
bottom of skycloths etc.
GROUP
A subdivision, permanent or optional, of a lighting board control preset, or
a sound desk.
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