19 Top Water Heater Disconnecting Means

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Water heater disconnecting means. As far as disconnecting means the mentioned cord and plug where permitted is permitted to be the disconnecting means or else you must have a disconnecting means withing sight of the appliance or a lockable branch circuit device if it is not within sight of the appliance. So a water heater that is in a garage or utility room with a direct sightline to the nearby panel serving it would be acceptable. The heading of this thread leads me to believe that you are talking about a disconnect for the water heater is this correct.

Part iii of article 422 gives us the requirements for disconnecting means for appliances. Most electric water heaters are intended to be hard wired. National electric code and local governing bodiesheater and its individual shutoff valve must be disconnected from the gas supply piping system during doc viewer.

water heater disconnecting means

Top Water Heater Disconnecting Means

An electric water heater would be an appliance. I agree with dcspector most likely you can use 42231b and use a breaker lock as the disconnecting means. What is it about the tankless water heater that does not meet the definition of an appliance.

You and i dont have enough information to debate over whether there was a qualifying disconnecting means or not however a disconnecting means is certainly required according to the nec. Off peak metering also known as time of use or time of day metering allows the utility to use a separate watt hour metertime clock to control the circuit to the water heater. If the water heater is 240 volt you must use a 2 pole switch to disconnect all ungrounded conductors 2008 nec 40415b the switch must be indicating must state on off on it as per.

Direct fired electric steam and hot water control transformer and disconnecting means are optional. This part requires a disconnecting means within sight of the water heater or if more than 50 feet from the appliance it must be capable of being locked in the off position. With respect to electric water heater load explain what off peak metering means.

Water heater disconnecting means. If there was no approved disconnecting means for the water heater ken was correct to call it out. Cut your own wood and it will warm you twice join the 1 electrician forum today its totally free. So are you saying that a tankless water heater does not require a disconnecting means..

Water heater disconnecting means. The switch must be rated for the voltage of the water heater 120 240 etc and the amperage drawn by the water heater 2008 nec 40414. The disconnecting means for a permanently connected water heater must comply with 42231b. Water heater disconnecting means.

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