Corrosion resistant die-cast aluminium alloy (LM6M) canopy and bowl ring: one piece
acrylic bowl with sealed on machined and polished refractor plates and stainless steel spring
clips and hinges attached.
The canopy is fully gasketted with tropicalised felt against the ingress of
dirt and mositure; fitted cable clamps, porcelain terminal block, earth screw and
porcelain B.C. lampholder with heat resisting leads.
GR553 has integrated control gear (suitable for both 35 and 55 Watt SOX lamps) mounted on
a detachable, galvanized steel gear tray.
C.A.B. vandal resistant bowl also available.
Light distribution to B.S. 1788:1964 type B1 lanterns.