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For Group 'B' lighting; the unit which conforms to BS 1788 comprises a single piece Silicon Aluminium top casting with end
hinged 'Perspex' refractor bowl.
The canopy casting exterior is painted aluminium with interior painted white for increased performance. Refractor pates are
sealed to the inside of the perspex enclosing bowl which seats evenly on a gasket to ensure a weatherproof joint. A retaining
clip secures the bowl at the bracket end of the lantern.
The top casting which includes Terminal Block, Earth Terminal and Cable Calmp also carries the lamp support channel assembly on which
is mounted the Thermal Relay plus Bi-Pin lampholders. A refractable type lampholder is located at the roadway end of the lantern
with a fixed type lampholder at the bracket end.
The unit is suitable for 1" BSP plain, 3¾" long Side Entry and is designed for mounting at 5o above the
horizontal to improve light distribution across the roadway. Bracket retaining 'Allen' screws are located within the housing to prevent corrosion and to aid
appearance.
Product No. 51/82206
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