Historical
ANSI E1.16 - 2002 (R2012)
Entertainment Technology - Configuration Standard for Metal Halide Ballast Power Cables
ANSI E1.16 describes a standard practice for grounding contact assignment for detachable power cables on 6 kW, 12 kW and 18 kW metal-halide lamp ballasts used in the motion picture and television industries on portable studio luminaires that use a common, three-contact, circular connector.
Entertainment Services and Technology Association [esta]