€¢ Resistant to mechanical stress associated with high abuses €¢ Color coded mounting screws included €¢ Photoelectrical color matched to Leviton devices €¢ Designed for high dielectric strength and arc resistance >> Ivory Blank Plate is Resistant to mechanical stress associated with high abuses. Color coded mounting screws included. Photoelectrically color matched to Leviton devices. Designed for high dielectric strength and arc resistance."