IF FIRE engulfs a piggery like this one in Monto, its residents can rest easy. That fluorescent exit sign above the doors will save their bacon. In one of the most ridiculous rules stifling small ...

HPL Series exit signs are designed to absorb and store ambient fluorescent, metal halide or mercury vapor light energy, without any need for battery or electric power making them an ideal, energy ...

This circuit substitutes two white Luxeon 1W Star LEDs for the inverter and fluorescent tube in a standard battery-backed illuminated exit sign, as used in commercial premises. While the Luxeons have ...