BS 5550-7.5.4:1981

This standard BS 5550-7.5.4:1981 Cinematography. Production and presentation. Film and television location lighting is classified in these ICS categories:

• 97.200.10 Theatre, stage and studio equipment
• 29.120.30 Plugs, socket-outlets, couplers

This British Standard specifies requirements for single pole power outlets, cable sockets, cable couplers and appliance couplers (these are all referred to generally throughout the standard as accessories). The accessories are for use on a.c. supplies with a voltage to earth not exceeding 250 V and a frequency not exceeding 500 Hz and on 120 V d.c. supplies. Two sizes are specified, rated at 150 A and 400 A respectively. The accessories are intended for use in the television industry for lighting purposes “on location” either indoor or outdoors. The accessories are intended for continuous use in ambient temperatures between − 20 °C and + 35 °C.

For a.c. voltage to earth not exceeding 250 V and a frequency not exceeding 500 Hz and 120 V d.c. Two sizes, 150 A and 400 A ratings.