250V 20A heater plug


Old 02-20-10, 10:04 AM
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250V 20A heater plug

I inherited a nice old 240v 1960's era resistance space heater that came with a 20A 250V three prong Hubbell type plug, with splayed prongs for the power feeds.

Can I swap this plug out with a three prong NEMA 6-20P plug to match my existing 240/250V outlet and be good to go?

fried okra
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Old 02-20-10, 10:25 AM
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Honestly I would be terrified of just blindly plugging in a 50 year old space heater, period.

But if I were you, I would replace the entire power cord with a new grounded one (the rubber cords used in the 50's and 60's don't age well, and become brittle), and while you have it open, inspect all of the wiring for deteriorated insulation and loose/corroded connections, and check the switches/controls for cracked/crumbling bakelite and replace as necessary.

But yes, you can change the plug with no problem. Just check it out first. Hate to have you plug it in and wind up with a fire.
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