Connecting 30 Amp Receptacle To 40 Amp Breaker, Please Help - Electrical - DIY Chatroom Home Improvement Forum
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Old 05-11-2015, 02:02 AM   #1
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connecting 30 amp receptacle to 40 amp breaker, Please Help


i am planning on changing my existing stove's receptacle into a 30amp-125/ 240v dryer's receptacle. is it safe to do so? should i be concerned the new receptacle is a 30 amp receptacle and the existing wire is higher ? the existing stove's receptacle is wired to a dual pole 40 amp breaker, and i believe is a 8 gauge wire. its a 4 prong receptacle.
Is this safe? can i just change the outlet only and still uses the existing wires?
also my dryer's cord doesn't reach the outlet, can i make an extension cord? using 10 gauge wires, with a 30 amp plug and connector? or what's my better option, since relocating the dryer closer to the outlet is a problem.

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Old 05-11-2015, 03:42 AM   #2
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Larger wire sizes are ok, but the breaker must not go over the receptacle. In this case a 30amp NEMA 14-30 must have a 30amp breaker. And you are positive the cable has 4 wires?

I would avoid an extension cord and turn the outlet box into a splice box and run 10 gauge wire over to a new box with a new dryer receptacle.

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Old 05-11-2015, 12:34 PM   #3
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If this is an apartment (or other rental), you cannot change that receptacle. You would have to get the management to do it.
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Old 05-11-2015, 12:50 PM   #4
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Is it just me or are we seeing an uptick in the number of people trying to jury rig a dryer ? Do it right and build a proper space for the dryer with the proper electrical and venting.
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