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    BS 5518(1977) : 1977

    SPECIFICATION FOR ELECTRONIC VARIABLE CONTROL SWITCHES (DIMMER SWITCHES) FOR TUNGSTEN FILAMENT LIGHTING

    British Standards Institution

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    BS 5611(1978) : 1978

    APPLICATION GUIDE FOR ON-LOAD TAP-CHANGERS

    British Standards Institution

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    BS 9561(1979) : 1979

    SPECIFICATION FOR LEVER OPERATED SWITCHES OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST; GENERAL RULES FOR THE PREPARATION OF DETAIL SPECIFICATIONS

    British Standards Institution

    Product Logo   

    BS 9563(1979) : 1979

    SPECIFICATION FOR ROTARY (MANUAL) SWITCHES OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST; GENERAL RULES FOR THE PREPARATION OF DETAIL SPECIFICATIONS

    British Standards Institution

    Product Logo   

    BS 5972(1980) : 1980

    SPECIFICATION FOR PHOTOELECTRIC CONTROL UNITS FOR ROAD LIGHTING

    British Standards Institution

    Product Logo   

    BS 9564(1980) : 1980

    SPECIFICATION FOR PUSH-BUTTON SWITCHES OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST; GENERAL RULES FOR THE PREPARATION OF DETAIL SPECIFICATIONS

    British Standards Institution

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    BS 3676-1(1989) : 1989

    SWITCHES FOR HOUSEHOLD AND SIMILAR FIXED ELECTRICAL INSTALLATIONS - SPECIFICATION FOR GENERAL REQUIREMENTS

    British Standards Institution

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    BS 764(1990) : 1990

    SPECIFICATION FOR AUTOMATIC CHANGE-OVER CONTACTORS FOR EMERGENCY LIGHTING SYSTEMS

    British Standards Institution

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    BS EN 60898 : 1991

    SPECIFICATION FOR CIRCUIT-BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS

    British Standards Institution

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