NEMA Connector Configurations Chart
NEMA Configurations for general-purpose non-locking Plugs and Receptacles
NEMA Locking Blade Configurations Chart
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Wiring Voltage
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15 AMPERE
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20 AMPERE
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30 AMPERE
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Receptacle
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Plug
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Receptacle
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Plug
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Receptacle
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Plug
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2-Pole 2-Wire
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125V
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L1
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L1-15R
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L1-15P
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250V
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L2
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L2-20R
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L2-20P
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277V AC
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L3
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Reserved For Future Configurations
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600V
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L4
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Reserved For Future Configurations
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2-Pole 3-Wire Grounding
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125V
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L5
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L5-15R
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L5-15P
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L5-20R
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L5-20P
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L5-30R
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L5-30P
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250V
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L6
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L6-15R
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L6-15P
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L6-20R
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L6-20P
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L6-30R
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L6-30P
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277V AC
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L7
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L7-15R
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L7-15P
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L7-20R
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L7-20P
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L7-30R
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L7-30P
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347V AC
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L24
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L24-20R
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L24-20P
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480V AC
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L8
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L8-20R
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L8-20P
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L8-30R
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L8-30P
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600V AC
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L9
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L9-20R
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L9-20P
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L9-30R
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L9-30P
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3-Pole 3-Wire
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125/250V
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L10
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L10-20R
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L10-20P
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L10-30R
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L10-30P
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3Ø 250V
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L11
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L11-15R
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L11-15P
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L11-20R
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L11-20P
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L11-30R
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L1-30P
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3Ø 480V
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L12
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L12-20R
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L12-20P
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L12-30R
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L12-30P
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3Ø 600V
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L13
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L13-30R
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L13-30P
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3-Pole 40Wire Grounding
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125/250V
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L14
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L14-20R
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L14-20P
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L14-30R
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L14-30P
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3Ø 250V
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L15
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L15-20R
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L15-20P
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L15-30R
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L15-30P
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3Ø 480V
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L16
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L16-20R
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L16-20P
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L16-30R
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L16-30P
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3Ø 600V
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L17
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L17-30R
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L17-30P
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4-Pole 4-Wire
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3ØY 120/208V
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L18
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L18-20R
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L18-20P
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L18-30R
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L18-30P
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3ØY 277/480V
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L19
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L19-20R
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L19-20P
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L19-30R
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L19-30P
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3ØY 347/600V
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L20
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L20-20R
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L20-20P
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L20-30R
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L20-30P
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4-Pole 5-Wire Grounding
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3ØY 120/208V
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L21
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L21-20R
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L21-20P
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L21-30R
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L21-30P
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3ØY 277/480V
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L22
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L22-20R
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L22-20P
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L22-30R
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L22-30P
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3ØY 347/600v
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L23
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L23-20R
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L23-20P
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L23-30R
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L23-30P
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NEMA Straight Blade Configurations Chart
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Voltage
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15 Ampere
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20 Ampere
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30 Ampere
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50 Ampere
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60 Ampere
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Receptacle
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Plug
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Receptacle
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Plug
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Receptacle
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Plug
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Receptacle
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Plug
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Receptacle
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Plug
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2 Pole 2 Wire
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125V
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1
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1-15R
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1-15P
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250V
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2
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2-15P
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2-20R
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2-20P
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2-30R
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2-30P
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277V AC
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3
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Reserved For Future Configurations
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600V
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4
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Reserved For Future Configurations
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2 Pole 3 Wire Grounding
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125V
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5
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5-15R
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5-15P
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5-20R
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5-20P
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5-30R
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5-30P
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5-50R
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5-50P
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250V
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6
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6-15R
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6-15P
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6-20R
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6-20P
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6-30R
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6-30P
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6-50R
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6-50P
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277V AC
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7
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7-15R
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7-15P
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7-20R
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7-20P
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7-30R
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7-30P
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7-50R
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7-50P
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347V AC
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24
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24-15R
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24-15P
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24-20R
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24-20P
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24-30R
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24-30P
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24-50R
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24-50P
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480V AC
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8
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Reserved For Future Configurations
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600V
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9
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Reserved For Future Configurations
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3 Pole 3 Wire
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125/250V
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10
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10-20R
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10-20P
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10-30R
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10-30P
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10-50R
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10-50P
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3Ø 250V
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11
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11-15R
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11-15P
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11-20R
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11-20P
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11-30R
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11-30P
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11-50R
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11-50P
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3Ø 480V
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12
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Reserved For Future Configurations
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3Ø 600V
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13
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Reserved For Future Configurations
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3 pole 4 Wire Grounding
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125/250V
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14
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14-15R
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14-15P
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14-20R
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14-20P
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14-30R
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14-30P
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14-50R
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14-50P
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14-60R
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14-60P
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3Ø 250V
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15
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15-15R
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15-15P
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15-20R
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15-20P
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15-30R
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15-30P
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15-50R
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15-50P
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15-60R
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15-60P
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3Ø 480V
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16
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Reserved For Future Configurations
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3Ø 600V
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17
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Reserved For Future Configurations
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4 Pole 4 Wire
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3ØY
120/208V
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18
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18-15R
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18-15P
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18-20R
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18-20P
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18-30R
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18-30P
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18-50R
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18-50P
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18-60R
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18-60P
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3ØY
277/480V
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19
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Reserved For Future Configurations
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3ØY
347/600V
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20
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Reserved For Future Configurations
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4 Pole 5 Wire Grounding
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3ØY
120/208V
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21
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Reserved For Future Configurations
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3ØY
277/480V
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22
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Reserved For Future Configurations
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3ØY
347/600V
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23
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Reserved For Future Configurations
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