https://www.stanion.com/Brands/Reliance-Controls/Catalog/Locking-Devices/Locking-Connectors/ll550crel
Reliance Controls | RELIANCE LL550C CONNECTO R 50A 120/240V CS6364 | Stanion
Reliance Controls Reliance Controls LL550C Heavy Duty Plug Power Cord Connector, 125/250 V AC, 50 A
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