This AC WORKS brand NEMA L7-20P inlet wiring device is a heavy-duty power input connection device. This inlet works with 12 or 10 AWG American Wire Gauge copper wire and is commonly used for industrial equipment and railroad operations.

This AC WORKS brand inlet wiring device [ASINL720P-FC] is a heavy-duty power input connection device. This inlet works with 12 or 10 AWG (American Wire Gauge) copper wire and is commonly used for industrial equipment, transfer switch and generator power. Included in your purchase is a 1-year limited warranty. This product requires mounting holes with saw size between 2.10'' (53.34mm) to 2.3'' (58.42mm). Note: 18 Gauge wire is for 10 Amp, 16 Gauge wire is for 13 Amp, 14 Gauge wire is for 16 Amp, 12 Gauge wire is for 20 Amp, and 10 Gauge wire for 30 Amp California Residents: See Proposition 65 Information Industrial, Commercial, High Power source inlet 20 Amp, 277 Volt Inlet with Cover NEMA L7-20P Locking Power Inlet UL and C-UL Certified Durable Construction and Compact Design and Thick Quality Copper Connection