Describes general and safety requirements for ballasts for discharge lamps such as high-pressure mercury vapour, low-pressure sodium vapour, high-pressure sodium vapour and metal halide lamps. Covers inductive-type ballasts for use on a.c. supplies up to 1,000V at 50 Hz or 60 Hz associated with discharge lamps, having rated wattages, dimensions and characteristics as given in relevant IEC lamp standards according to IEC Publications 188, 192 and 662. Tests described are type tests. Requirements for testing individual ballasts during production are not included.

IEC 60922 Ed. 2.0 - Identical

I.S. EN 60922:1998 - Identical

BS EN 60922:1997 - Identical

NF EN 60922:1999 - Identical

SS EN 60922 Ed. 3 (1997) - Identical

UNE EN 60922:1998 - Identical

DIN EN 60922 (1997-10) - Identical