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NEUTRAL TERMINAL (WHITE) OR
30A & 50A Straight Blade Plugs
Wiring Instructions for Catalog Numbers Listed Below
AMP VOLTAGE CAT.NO.
30A 125V 9309
30A 125/250V 9333
30A 250V 9331
30A 277V 9319
50A 125V 9361
50A 125/250V 7977
50A 250V 9368
50A 277V 9379
1. Check to see that rating molded on face of device is correct for the installation.
2. Select flexible cable of suitable ampacity, service, and temperature rating. Refer to N.E.C. Article
400-5(A) or applicable listing or certification requirements. Use flexible stranded copper wire only.
DO NOT tin conductors. Device terminals will accept 10 to 6 AWG wire size. Cord clamp range is
.625 dia. To 1.125 dia. size. Use only round “service” cord Types S, SO, ST.
3. Choose the correct end of the cable for the plug so that color coding corresponds to terminal location.
GROUNDING TERMINAL (GREEN)
Fig. 1
4. Strip cable jackets as shown in Fig. 1. All conductors to be stripped 9/16 (.562) in length. Note that the blade
holder pattern can be positioned in any of four directions by rotating contact assembly in the housing. This will
determine the strip length of each color wire. See Fig. 1.
5. Insert the conductors into proper terminal of the contact assembly. Torque terminal screws to 45 in.-lbs.±5.
6. Assemble contact assembly into housing and tighten four screws to 10 in.-lbs.
7. Assemble cord clamp into housing and torque two screws alternately to 15 in.-lbs.
Wiring Device-Kellems • HUBBELL INCORPORATED • Bridgeport, Connecticut 06605
PD-1149 PRINTED IN U.S.A. Rev. 06/96
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