AS 1299:2022 Electrical equipment for mines and quarries — Explosion-protected three-phase restrained and bolted cable coupling devices for working voltages up to and including 11 kV
AS 1299:2022 specifies the design and test requirements for explosion-protected three-phase restrained and bolted devices. These devices incorporate three power contacts, one pilot contact and possibly one or more auxiliary contacts, an earth contact and an earthed phase barrier. These devices are intended for use with restricted earth-fault systems in mines and quarries with a working voltage up to and including 11 kV
AS 1299:2022 history
2022AS 1299:2022 Electrical equipment for mines and quarries — Explosion-protected three-phase restrained and bolted cable coupling devices for working voltages up to and including 11 kV
1970AS 1299:1993 Electrical equipment for coal mines - Flameproof restrained plugs and receptacles