This black female Gilbert replacement plug is the perfect complement to commercial Christmas lighting or architectural designs. The SPT-1 plug is capable of handling up to 10 amps and 125 volts and is UL listed for indoor/outdoor use. The simple slide back cover allows prongs within the cap to make contact easily and safely to stringer wire or existing lighting sets. You will never need to bunch the extra cord of your lighting set again. Just attach a plug where you need it!