85W cavity type induction lamps are used as the decorative lighting on the suspension rope of Tsing Ma Bridge.
Induction lamps used on ropes and bridge sides in Tsing Ma Bridge
Light emitting diode (EXIT sign application):
Conventional EXIT signs using fluorescent tubes in the Prince of Wales Hospital have been replaced with LED EXIT signs.
A ceiling-mounted EXIT sign
A wall-mounted EXIT sign
Light level abatement & Plug and enhance technology:
36 nos. of T8 fluorescent lamps have been replaced with 24 nos. of T5 lamps together with quasi-electronic ballasts (QEB). 50% of energy can be saved after the retrofit.
Fluorescent tube equipped with QEB
Lighting layout after upgrading
10 nos. of light tubes have been installed on the topmost floor at the EMSD headquarters.
4 nos. of nano-technology reflectors have been added to the existing lightings.
A nano-technology reflector
Lighting layout after installation