Electromechanical all-or-nothing relays. Blank detail specification. Electromechanical all-or-nothing telecom relays of assessed quality. Two change-over contacts, 14 mm x 9 mm base.

WITHDRAWN published on 19.9.2002

Electromechanical non-specified time all-or-nothing relays of assessed quality. Blank detail specification. Electromechanical all-or-nothing telecom relays of assessed quality. Two change-over contacts, 15 mm x 7,5 mm base.

WITHDRAWN published on 25.7.2002

Electromechanical non-specified time all-or-nothing relays of assessed quality. Blank detail specification. Electromechanical all-or-nothing telecom relays of assessed quality. Two change-over contacts, 11 mm x 7,5 mm (max.) base.

WITHDRAWN published on 30.8.2002

Specified time relays for industrial use. Requirements and tests.

WITHDRAWN published on 15.3.2000

Live working. Care, maintenance and in-service testing of aerial devices with insulating booms.

WITHDRAWN published on 15.10.2001

Intrinsically safe power supplies for use in coal mines. Specification for d.c. power supplies.

WITHDRAWN published on 31.7.1989

Intriniscally safe power supplies for use in coal mines. Specification for d.c. power supplies.

WITHDRAWN published on 15.3.1994

Intrinsically safe power supplies for use in coal mines. Specification for a.c. power supplies.

WITHDRAWN published on 30.9.1982

Intrinsically safe power supplies for use in coal mines. Specification for rechargeable battery units.

WITHDRAWN published on 30.9.1982

Electrical installation for lighting and beaconing of aerodromes. Maintenance of aeronautical ground lighting constant current series circuits.

WITHDRAWN published on 28.11.2003