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Old 12-05-2010, 10:28 PM   #1
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Electrical connection of a water heater in Florida


Do I hard wire or plug in a water heater in
Florida

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Old 12-06-2010, 05:43 AM   #2
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Electrical connection of a water heater in Florida


Ayuh,... It should be Hardwired, regardless What country you're standing in...

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Old 12-06-2010, 10:14 AM   #3
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Electrical connection of a water heater in Florida


You can connect it either way. Hard wired is by far the most common way. Water heaters require a disconnecting means. Most people just mount a small disconnect right at the heater. You could use a cord and plug assembly in lieu of the disconnect if you like. Its not very common, but you can do it.
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Old 12-06-2010, 01:31 PM   #4
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Electrical connection of a water heater in Florida


I am going to disagree with JV. I can't see how a WH meets the code criteria that would allow a cord and plug connection.
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Old 12-06-2010, 07:19 PM   #5
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Electrical connection of a water heater in Florida


Majorty of my installment are hardwired with electrique water heater and if you are not in sight of load centre then you have to add a disconnect switch.

I never use the cord / plug attachement the last time I have one service call when someone did use the cord / plug attachment and the cord was a dryer type cord guess what?....

It was pretty much burnted { it cause the breaker to trip out on that one }

The dryer cord is NOT listed to use with water heater so reader just watch out on this one.

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Old 12-06-2010, 07:28 PM   #6
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Electrical connection of a water heater in Florida


Quote:
Originally Posted by Bondo View Post
Ayuh,... It should be Hardwired, regardless What country you're standing in...
It should be hardwired with a disconnect. A plug and outlet is not a disconnect!
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Old 12-06-2010, 08:16 PM   #7
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Electrical connection of a water heater in Florida


Quote:
Originally Posted by sbfan2000 View Post
... A plug and outlet is not a disconnect!
You got a Code reference for that statement?

As for the OP, Some smaller water heaters can be cord and plug connected.

What size is yours, # of gallons, diameter of tank, voltage and wattage ratings, etc?
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Old 12-06-2010, 11:25 PM   #8
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Electrical connection of a water heater in Florida


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Originally Posted by kbsparky View Post
You got a Code reference for that statement?

As for the OP, Some smaller water heaters can be cord and plug connected.

What size is yours, # of gallons, diameter of tank, voltage and wattage ratings, etc?
I wrote down underline which I know smaller water heater tanks with 120 volts unit can be cord et plug the last one i did see was 35 liter tank { about 9 1/2 gallon } it did have cord and plug attachement with 1500 watt element.

And that was a factory set up with that cord { it kinda pretty rare to see it due most are useally hardwired in this size class }

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Old 12-07-2010, 10:42 AM   #9
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Electrical connection of a water heater in Florida


I agree that hard wiring is the most common way to connect a water heater and a disconnect is required. I guess I was wrong in stating the cord and plug could be used as the disconnecting means required by the NEC??? But, we do it on dishwashers and other appliances, so why not water heaters? After all it is an appliance. I have never used a cord and plug for a water heater connection. My statement was intended to spark some discussion, as I can see no reason it cannot be cord and plug. NEC reference? I am asking.
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Old 12-08-2010, 06:10 AM   #10
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Electrical connection of a water heater in Florida


Cord-and-plug connections are valid means for disconnecting on even large appliances such as ranges. See section 422.33.
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Old 12-08-2010, 08:19 AM   #11
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Electrical connection of a water heater in Florida


I was using 422.16(A) as the reason that cord could not be used. I have never seen a WH identified for use with a cordset.

I don't see how a WH could be considered needing frequent interchange for replacement or isolation for vibration.
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Old 12-09-2010, 06:56 AM   #12
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Electrical connection of a water heater in Florida


422.16(A) only gives reasons why a cord and plug disconnect can be used. Changing out water heater elements could be construed as to one of those reasons listed.

As inferred earlier, I have seen water heaters come with a cordset attached.

That is why I asked about the size, capacity, etc of the unit involved.
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Old 12-09-2010, 12:00 PM   #13
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Electrical connection of a water heater in Florida


Great discussion. I am certain we all have reasons for a yes or no vote in this matter. I now believe the plug and cord will only be allowed if it is included in the Water Heater installation manual. If it does not picture or describe using a cord and plug it is not compliant. I do not remember ever seeing a standard WH having instructions on using a cord and plug. So I want to retract my first post. Jim is right. I was wrong.
Of course any appliance listed or equipped with a cord and plug should and can be used this way.

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