A photoluminescent guide 1 for an emergency lighting system is disclosed comprising a housing 3 and a photoluminescent insert 5 received within the housing 3. The housing 3 has a length and a width and the insert 5 is sealed within the housing 3 to extend ...

Emergency lighting for an aircraft has a primary power source for light units 9 provided by the normal aircraft power supply 11 and a secondary power source provided by power supply units 15 operable to back-up the primary power source. Each light unit 9 m...

An LED light unit 5 is provided with terminal pins 11 at each end for fitting the light unit 5 in place of a fluorescent tube of a fluorescent lighting fixture connected to a power source. The light unit 5 has a circuit board 9 with a plurality of diodes 1...