McMaster 51205K643 Extreme Pressure 316 Stainless Steel Pipe Fitting Bushing Adapter, 1 1 2 NPT Male x 1 1 4 NPT Female 0159 36 Portable Electric Heater Portable Electric Heater Side Application Environment Industrial Description Special Features Brass and Nickel Plated Steel Ground Terminal Standards UL CSA Rated HP 1 to 2 Antimicrobial No For Market Industrial Grade Number of Switches 1 Voltage Rating 120 277V AC Wire Connection Types Screw Terminals Locking Style Not Applicable Market Industrial Wire Connection Type Screw Terminals Features Brass and Nickel Plated Steel Ground Terminal Horsepower Rating 2 hp Current Rating 20 A Type Toggle Style Four Way Voltage Rating Description 120 277 VAC Series Heavy Duty Application Back and Side Wired Amperage Rating 20 A Current Amperage Rating 20 A 0000 ECCN 2B999 With the strength to handle extreme pressures