BS 787-3 is a British Standard which covers flameproof gate-end boxes designed primarily for use in the mining industry, on a 3-phase a.c. system having a line voltage of up to 650 V, to provide electrical supply for single-phase lighting circuits.
BS 787-3 on gate-end boxes is helpful for:
Having access to reliable guidelines is essential to prepare and use quality gate-end boxes. BS 787-3 provides manufacturers with service conditions, design and construction requirements, and test requirements which allows them to effectively manufacture and test gate-end boxes.
BS 787-3 ensures efficient and standardized mining type flameproof gate-end boxes for the users.