Olympia NEMA L14-20 20A 125/250V Locking Plug - 3 Pole, 4 Wire, Industrial Grade













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Need a heavy-duty locking plug for your generator, welder, or shop equipment? This Olympia L14-20P plug is built to handle the job. It's a 20 amp, 125/250 volt, 3-pole, 4-wire male locking plug in a tough black and gray casing. Rated for industrial use and cULus certified for safety. The locking design keeps it securely connected, even in high-vibration environments. Fits cord ranges from .375\ to 1.156\ – works with 12-3 SJ up to 8/4 S cable. Part number WJ-8420. No UPC, but this is a professional-grade component you can trust. Perfect for electricians, contractors, or serious DIYers setting up a 240V circuit. Whether you're building a generator extension cord or wiring up a new machine, this plug delivers reliable power connection. Just make sure your wiring skills are up to par! It's brand new in its packaging, ready to wire up and get to work.
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FREE In store & Online Returns If for some reason, you're not 100% satisfied with your purchase, you can return or exchange quickly and easily in accordance with our Return policy. Some restrictions may apply.
PRICE MATCH Guaranteed JOHNABERNBAUM.ORG will gladly match the price on a qualifying item sold in store or online at a qualifying retailer. See details














