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Old 06-11-2011, 03:51 PM   #16
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Dishwasher connection and wiring, oh boy!


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Oh, and the units without the heating elements draw less current which was why we could run #14/2 to them. Remember, no coil = less current.
I am sorry but all DW's have a heating coil. It heats the water if under temp and it also used for the drying cycle.

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Old 06-11-2011, 06:36 PM   #17
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Dishwasher connection and wiring, oh boy!


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I have been wiring houses for 35 years. The builders mostly use the non energy savers because they are cheap. Hence we install #14/2. If it is a custom home, we install #12/2 figuring on an energy saver D/W.
I also have never seen a dishwasher without a heating coil to help dry. Every dw on the market for consumers has a heating coil in it.
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Old 06-15-2011, 01:37 PM   #18
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Dishwasher connection and wiring, oh boy!


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This involved turning a breaker off, going upstairs and holding a pen tester to the wire, When the tester didn't chirp, I knew I had the right one.
You might want to invest in one of those circuit breaker finders. You can get a decent one for less than 50 bucks. My panel is poorly labeled and having one of those has proved indispensable.
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Old 06-15-2011, 09:52 PM   #19
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Dishwasher connection and wiring, oh boy!


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I am sorry but all DW's have a heating coil. It heats the water if under temp and it also used for the drying cycle.
Not going back 35 years. Am I the only electrician who remembers this. If you look at my first post I ask how old the house is. I suspect that the house was constructed mid 70's to early 80's. If that is the case then quite possibly the first DW was a "builders grade" which means it didn't have the heating coil. The EC ran 14/2 to the DW. Back then only the "energy saver" DW's had the pre-heat coil and required a seperate 20A circuit. They are no longer called "energy savers" but instead are "energy star" and all have pre-heaters and some require seperate 20A circuits. None of this means anything. I was trying to explain why I thought the original circuit was 15A. Bottom line read the installation instructions to find out the electrical requirements.


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