IEC Pin And Sleeve, Receptacle, Amps 100, Color Red, Voltage 277/480, Phase 3Y, Number of Poles 4, Number of Wires 5, Material of Construction Nonmetallic, Zytel 101 Nylon, Watertight And Abuse Resistant, Standards IEC 309-1 And 309-45 Technical Specification Item IEC Pin And Sleeve Type Receptacle Amps 100 Color Red Voltage 277/480 Phase 3Y HP 30 Number of Poles 4 Number of Wires 5 Material of Construction Nonmetallic, Zytel 101 Nylon, Watertight And Abuse Resistant Standards IEC 309-1 and 309-2 Additional Information IEC Nonmetallic Watertight Pin and Sleeve Devices Designed and manufactured to meet international standards IEC 60309-1 and 60309-2. Feature a nonconductive nylon housing and OSHA-compliant lockout hole in the plug shroud to provide additional safety. The all-nonmetallic housing withstands heavy-duty industrial environments. Devices are color-coded for each specific voltage. Pin configurations are singly rated to prevent accidental mismating. Receptacle back boxes available; see page 621.