BS 5717:1984
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for transistorized ballasts for tubular fluorescent lamps
Hardcopy , PDF
06-28-1991
English
01-31-1984
Requirements for transistorized ballasts for use on d.c. supplies having rated voltages not exceeding 250 V, associated with fluorescent lamps with pre-heated cathodes and operated without a starter switch. Also covers ballasts for maintained emergency lighting.
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