BS 5717:1984
$142.49
Specification for transistorized ballasts for tubular fluorescent lamps
Published By | Publication Date | Number of Pages |
BSI | 1984 | 30 |
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.