Reliance Controls Corporation R302016 Pro/Tran Outdoor Transfer Switch, 6-Circuit, NEMA 3R for Generators Up to 8,000 Running Watts Easy to install and operate NEMA L14-30 power inlet designed to enable wiring system to accept full power of portable generator Maximum single-pole circuits: 6 Maximum double-pole circuits: 3 cUL listed and includes 16-inch length of flexible non-metallic, liquid-tight conduit with fittings