Construction of electrically illuminated signs irrespective of the lamp employed, and high-voltage luminous-discharge-tube installations up to and including 5 kV to earth, either for external or internal use. It does not cover luminaires, lamps, auxiliaries or exit signs operating at low voltage.
BS 559:1986
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for electric signs and high-voltage luminous-discharge-tube installations
BSI Group , 04/30/1986
