elect cord


Old 11-08-01, 06:55 AM
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I just installed a new dryer.The plug on the wall is a 50amp plug the cord from the old dryer is a 50amp cord which I installed on the new dryer, which goes to a 30amp breaker. Is this safe?
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Old 11-08-01, 09:25 AM
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NEC article 210-21(b)(1) states; A single receptacle installed on an individual branch circuit shall have an ampere rating of not less than that of the branch circuit.
NEC article 422-32(c) states; The rating of a receptacle or of a separable connector shall not be less than the rating of any appliance connnected thereto.
The standard is to use a 30 amp receptacle and plug.

[Edited by thinman on 11-08-01 at 01:08]
Old 11-08-01, 09:34 AM
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Yes-the rating of the circuit-breaker determines the rating of the branch-circuit.Art 210.21 (B)-(1) reads;"A single receptacle on an individual branch-circuit shall have a rating not less than the branch-circuit." The receptacle and cord exceed the 30amp rating which is safe.To convert the circuit to a 50 amp. rating with a 50amp CB if the wires are rated for 30 would violate the Code.
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