This lamp house (shown on right) and control unit is specially designed for Mercury Spectral discharge and ensures almost immediate striking of the Mercury Spectral lamp no sooner it is switched ON and provides a steady light output of high intensity. The lamp house is open at the top to allow for ventilation and can be easily removed from transformer unit for separate mounting on stand if required. Transformer is housed in a sheet steel case with ventilation louvers and has a rod stand mounted directly on top of the transformer case providing a convenient self contained assembly. A 3-core captive flying lead is provided for mains connection. Operating on AC mains input of 230Ã‚Â± 10% volts, 50/60Hz, with fused input protection. Mercury Spectral Lamp sold separately.