Descriptors | Flashing lights, Discharge lamps, Fixing, Electrical insulation, Sign lighting (buildings), Tubular lamps, Fire risks, Lighting equipment, Lighting systems, Panels, Plastics, Warning devices, Voltage, Electrical components, Advertising signs, Thickness, Dimensions, Electrical connections, Electric insulators, Electric cables, Electrical resistance, Decorative lighting, Electrical equipment, Signs, Design, Glass, Wind loading, High-voltage equipment |