Senior
	Hollywood term for 5000 Watt or 5K lighting fixture. These fixtures utilize a Junior Pin (1-1/8"), as do the larger 10Ks and Brutes.

Siamese
	An electrical pig tail, which has one male connector at one end and two female receptables at the other. Also known as Y connector.

Single Net
	A single layer of Bobbinet used in overheads, butterflys, scrims...related term single scrim. Can be both white and black; black single nets will give approximate light loss of 0.6 stops, and white single nets will give approximate light loss of 0.5 stops. Both black and white will give you reduction of light intensity and white will introduce ambient bounce.

Stair Block (see it)
	Made from 2x4 or 2x6 lumber stacked like stairs to raise furniture on a set. Also called Step Blocks.

Stinger
	Hollywood term for a single extension cord or a heavy-duty single extension.

Stirrup (see it)
	A mounting device most commonly attached to Telescoping Hangers for the mounting of theatrical fixtures which have pipe clamps attached to their yokes.