BS 4782:1971:1982 Edition
$142.49
Specification for ballasts for discharge lamps (excluding ballasts for tubular fluorescent lamps)
Published By | Publication Date | Number of Pages |
BSI | 1982 | 67 |
Deals with requirements and tests for safety, construction and performance at 50 Hz for use with mercury lamps specified in BS 3677 and sodium lamps specified in BS 3767, high pressure sodium vapour lamps and metal halide lamps.