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In a Canadian residential kitchen, in a house built in the late 1970's, there is a NEMA 14-50R, on a 30 Amp breaker.

Currently a standard oven/range combo is plugged into this receptacle. I would like to replace it with a commercial induction range, e.g. BRIC 3000 or BRIC 3600, that has either a NEMA 6-20P or NEMA L6-30P.

While there seems to be commercially made adaptors for some configurations, I can't see anything for this specific setup.

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Nothing easier. You're already on a 30A breaker, just change the receptacle to L6-30R.

Don't even bother with an adapter cable.

Just cap off the neutral inside the junction box, you won't need it.

However the breaker must match the receptacle. If you change to a NEMA 6-20R receptacle, you'd need to change the breaker to 20A.

  • I'll accept your answer, as it's generally the most correct one. I didn't include an extra constraint in my question; I have to leave the receptacle alone in the short term, as the range needs to stay there and working. – Alex Szczuczko Aug 7 '16 at 13:49
  • Thank you. I was hoping to combine it with correcting a pre-existing illegal condition: a 50A receptacle on a 30A breaker. While technically illegal, it seems prudent as long as you're in control of the situation. The problem is those non-L receptacles and plugs are not made for daily plug and unplug - the L twist-lock connectors are. – Harper Aug 7 '16 at 14:29
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The only solution I have found is to start with a NEMA 14-50P to NEMA L14-30R adapter cord, and then add a NEMA L14-30P to NEMA L6-30R adapter cord (variants of that are also available with a NEMA 6-20R).

Neither of these seem to be available online in Canada, but they can be ordered from US distributors.

The specific parts I have found are:

It seems the hard thing is the NEMA 14-50, stuff for NEMA L14-30 seems much more widely available.

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