Specifies requirements for single-outlet and multi-outlet explosion protected distribution and control boxes for the attachment of trailing cables. Includes requirements for isolation, attachment of cables, overload protection and earthing. A testing section includes both type tests and routine tests. Design and test requirements have been expanded to include voltages up to 3300 V a.c.

AS 1039-1986

Electrical equipment in coal mines — Explosion-protected distribution and control boxes for voltages up to 3300 V a.c.