BS 559:1991
$102.76
Specification for electric signs and high-voltage luminous-discharge-tube installations
Published By | Publication Date | Number of Pages |
BSI | 1991 | 20 |
Electrically illuminated signs operating at high or low voltage and high-voltage installations up to and including 5 kV to earth either for external or internal use. It does not include luminaires or exit signs operating at low voltage.