Voltec 04-00103 12/3 STW 20 Amp GFCI Adapter with Lighted End, 3-Foot, Blue with Yellow Stripe (colors may vary) Manual Reset GFCI with Test Function If GFCI trips or is unplugged, the power indicator light goes off Power indicator light quickly alerts you of any possible disconnects between cords UL listed and it carries the UL approval for Canada as well. Features a solid molded-on vinyl connector for high resistance to breakage and abuse