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  • BSI
    BS G 193:1966 Specification for aircraft lampholders
    Edition: 1966
    $281.30
    / user per year

Description of BS G 193:1966 1966

This British Standard specifies the performance and quality requirements for bayonet lampholders for aircraft lamps having single centre contact (B 15s) caps and miniature centre contact (BA 9s) caps, intended for use in atmospheric pressures down to 522 millimetres of mercury [equivalent to an altitude of 10 000 ft (3048 m)]. The lampholders are suitable for use on systems of nominal voltages up to 28 volts; they may be used on other nominal voltages subject to the following individual maximum limitations, which apply independently of each other:

  • B 15s: 2 amp, 250V r.m.s. a.c., 60 watts.
  • BA 9s: 1 amp, 50V r.m.s. a.c., 10 watts.

Although BA lampholders are not recommended for general use in circuits operating at more than 50 volts, with neon indicator lamps BA 9s lampholders may be used on nominal system voltages up to 200V r.m.s. a.c., subject to a series ballast resistor being connected externally to the centre contact of the lampholder.

Outline drawings of preferred lampholders are shown, but these are not intended to restrict the development of types offering alternative installational facilities such as batten mounting.



Standard NumberBS G 193:1966
TitleSpecification for aircraft lampholders
StatusConfirmed
Publication Date1966-01-17
DescriptorsAircraft components, Performance testing, Type testing, Lighting equipment, Dimensions, Design, Bayonet lamp caps, Lamp caps, Quality assurance
ICS49.060 Aerospace electric equipment and systems
CommitteeACE/6
ISBN0 580 34542 4
PublisherBSI
Pages10

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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