【Lighted Plug & Connector Set】With Green Neon Light inside the body, it can indicate the flows of power while-in-use. 【Easy to Install and Use】 Unique dimpled body provides a secure gripping, turning and pulling. Transparent angled wiring entrance holes make the wiring and assembly more easy and efficient. 【Adjustable Wiring Gauge】Built-in cord grip adjusts automatically for use with 18-12 AWG. 【High Quality】Constructed of durable polycarbonate, high impact and heat resistance provide maximum safety and longer life. Formed from a single piece of solid brass to reduce friction and overheating, providing excellent conductivity. 【Wide Application】Perfectly for use with Generator Transfer Switches or Power Inlet Plug to supply power to your Home, Business, Marine/Boat or RV/Trailer. Widely used for Generators, welding equipment, Sump & Well Pumps. AIDA Lighted Straight Blade Electrical Plug and Connector Set, Yellow, 1 Set