Fixtures operates in any position. Mounting strap for surface mounting supplied. hreaded flame path and stainless steel fastenings. High temperature internal wiring. Closed by screwing on bezel. External earth terminal 1 x 4 mm² (0.002 x 0.006 in²). Static Beacon features an E27 lamp holder (permissible lamps not supplied) for a 100 W incandescent (maximum) or a 18 W compact fluorescent. Two side M20 threaded entries supplied with; 1 x M20 plastic cable-gland for unarmored cable - 6.5 to 14.5 mm (0.26 x 0.57 in) sealing diameter, 1 x M20 blanking plug.