scope:

This standard covers a range of tubular fluorescent lamps for general lighting service which are operated on a.c. mains. Lamps of the following types are included: 1. Lamps, with pre-heated cathodes, for operation on a.c. mains with the use of a starter. 2. Lamps, with pre-heated cathodes, for operation on a.c. mains without the use of a starter. 3. Lamps, with pre-heated cathodes, for operation on a.c. mains with or without the use of a starter. 4. Lamps, with pre-heated cathodes, for operation on a.c. mains with the use of a starter and additionally for operation on high frequency supplies with or without the use of a starter.