BS 787-4:1972
Current
Date published:
Specification for mining type flameproof gate-end boxes, Gate-end boxes for drilling machines (for use on 3-phase a.c. circuits up to 650 V)
For controlling electrically operated drilling machines. Service conditions; ratings, design, construction and means of protection; test requirements.
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Related Information
29.130.20 Low voltage switchgear and controlgear
29.260.20 Electrical apparatus for explosive atmospheres
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BS 787-4:1972
Get this standard
Prices exclude GST
PDF
( Single user document)
$283.72 NZD
HardCopy
$283.72 NZD