McMaster 3705K38 Large Dial Pressure Gauge with Aluminum Case High Accuracy, 8 1 2" Dial, 1 4 NPT Male Bottom Connection 0 to 30 psi pressure range G5577927 UL 498 File E2186 Corrosion UL 498 File E2186 Corrosion Resistant No Description Slender Compact Weather Resistant No Amps 20 Material Thermoplastic Polyester Color Plugs and Receptacles Red NEMA Configuration 5 20 Color Rouge Number of Wires 3 Wiring Method Plugs and Receptacles Back and Side Number of Gangs 1 Weather Resistant Plugs and Receptacles No Item Traditional Duplex Voltage 125VAC Number of Poles 2 HP 1 hp Outlet Type Duplex Mounting Type Flush Phase Single Phase Wiring Method Back Voltage 6V They are suitable for critical processes that require high accuracy regulators