dishwasher installation/wireing

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Old 07-01-02, 07:38 AM
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maureen101
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dishwasher installation/wireing

I plan on installing a built in dishwasher it will be on the right of the sink and the outlet is on the left above the counter so i have to add another outlet do I need to take any special precautions?does the wire gauge change?
 
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Old 07-01-02, 08:39 AM
J
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You are not allowed by code to connect the dishwasher to a circuit serving a kitchen counter receptacle.

Was this house ever wired for a dishwasher? Or perhaps for a garbage disposal? If so, you can tap into either of those circuits. If not, you should install a new circuit. Some dishwashers require a 20-amp circuit, some can run on a 15-amp circuit. If you have both the disposal and dishwasher on the same circuit (not the best idea, but workable), then it should be a 20-amp circuit.

Wire gauge always matters. Use either 12 or 14 on a 15-amp circuit, and use 12 only on a 20-amp circuit. It's a good idea to use 12 on both.
 
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Old 07-01-02, 09:10 AM
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maureen101
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dishwasher

no its never had either but recently had an electric water heater installed with a new 20 amp circuit breaker would that work and if so where do i tie in?
 
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Old 07-01-02, 11:29 AM
J
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The water heater circuit is not going to satisfy this need. Almost all water heaters are 240-volt, and almost all dishwashers are 120-volt. Furthermore, the water heater circuit was sized for the water heater alone.

You're going to need a new circuit for your dishwasher.
 
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Old 07-01-02, 06:31 PM
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maureen101
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circuit breaker

John checked the box and found not all breakers controlled what they were identified for(had a heat pump installed two years ago)took me awhile but now have all but one 30 amp circuit breaker going to something.there is a wall switch from the old furnace will have someone come and check this out and go from there.thanks for your help
 
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Old 07-01-02, 07:18 PM
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The two most common things in a house to run off a 30-amp 240-volt circuit are an electric water heater and an electric clothes dryer. 30-amp 120-volt circuits are not common.

I commend you for doing the research to identify exactly what is controlled by what breaker. This will come in useful over and over again.
 
  #7  
Old 07-26-02, 05:23 AM
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maureen101
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dishwasher installation

John,want to thank you for your help.took your advice and had a new breaker installed,diswasher and over the range microwave both installed up to code,thanks again it is nice to have some where to go for support.
 
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