99.99% of our water heaters are electric. A means shall be provided to simultaneously disconnect each appliance from all ungrounded conductors in accordance with the following sections of part iii. Also, if someone is in the tub and there is a problem, the disco in not reachable from in the tub. 
Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. In Sight From (Within Sight From, Within Sight). Suburban Chicago native Chris Edwards, began writing for his school newspaper in 1991. It is truly a safety consideration for someone servicing a water heater, be they a contractor or a home owner. 
Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! Ken S. I did (reread) and **I **believe you to be right. The guys at hd really didn't know much about typical code requirements for a. Article 424 applies to fixed electric space heating equipment. The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.) It doesnt say if, or when, or maybe, or sometimes. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. JavaScript is disabled. Only Mr. Bushart argued the point, as he did not understand the Insight part of the requirement. Below is a preview of the nec. It would be reasonable to assume that the electricians that argued with the report did not choose to apply this particular part of the code to the heaters in question. Code requirements must be met when installing electric water heaters. They are required for the same reason that an A/C condenser needs one: So that a technician can work on it without risk of being electrocuted by someone switching on the circuit breaker. He studied business management at Triton College.
Start date dec 3, 2003; Even if 424.19 did apply, you're feeding this equipment from more than one source and all disconnects are required to be grouped. According to the NEC an electric water heater does not require any disconnect other than a circuit breaker at the main panel or sub panel and it does not need to be insight. Here's my question, can I install a non-fused 60amp pull out type disconnect that would typically be used on AC unit out doors.
Thanks for the help! Problems With a S8610U Honeywell Controller. Run a nice B-vent all the way up through the roof. How do I Convert a 240V Hot Tub to a 120V? It would be incorrect to imply that all water heaters needed a disconnect. I found one at Home D for only $7.50 vs the larger landle switch type for $45. It clearly states that the service panel breaker can serve as the disconnect device. 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. As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. The National Electric Code addresses disconnection requirements for appliances. Particular requirements for storage water heaters. Article 422.31(b) of the National Electric Code expands on section (a) to include the requirements for permanently connected appliances that exceed 300 volt-amps and/or 1/8 horsepower. Where I live now the Water Heater Breaker has a Lockable Breaker as required. The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed. Water Heater Disconnecting Means. Rinnai tankless water heater beeping. For permanently connected appliances rated at not over 300 volt-amperes or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means. You talking code now? Self taught, Edwards extensive knowledge of photography comes from years of passionate pursuit of the art. Particular requirements for storage water heaters. If the over-current device does not meet this provision, than an additional disconnect must be provided that does meet the requirement. The Fora platform includes forum software by XenForo. I am not a lic electrian but I do a lot electrical wiring nothing over 240V thou. Up to at least the 1980s for permanently connected appliances of greater rating the branch-cricuit switch or circuit breaker shall be permitted to serve as the dis connecting means where readily available to the user of the appliance. 1984 422-21. The provisions for locking shall remain in place with or without the lock installed. Either way the unit must have a disconnecting means or a breaker lockout. Like Brian said, sometimes they are capable of being locked out and that is acceptable. Why not use a double pole 30 Amp rated switch? Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: The disconnecting means must be capable of being locked in the open position. The disconnecting means for a permanently connected water heater must comply with 422.31(b). 422.31 Disconnection of Permanently Connected Appliances. ** // Leaf Group, International Association of Certified Home Inspectors; Electric Water Heater Disconnect; August 7, 2010, "National Electrical Code 2011 (National Fire Protection Association National Electrical Code)"; National Fire Protection Association; 2010. To apply this code, one has to assume that the water heater is not within view of the service panel. A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. 422.31 Disconnection of Permanently Connected Appliances. If you are even thirsty, you are two quarts low. If there is no disconnecting means within sight, then the circuit breaker must be lockable. 422.13(B) Appliances Rated **Over **300 Volt-Amperes or 1/8 Horsepower. It also means that it could be 5 away in the same room and not be within sight. that is serving more than one rental dwelling unit.
Disconnection of permanently connected appliances. For permanently connected appliances rated over 300 volt-amperes or 1/8 hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position. The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed. William Blake. Article 422.31(a) of the National Electric Code defines the means of disconnection for permanently connected appliances that are rated not higher than 300 volt-amps or 1/8 horsepower. In future I may just use a switch as you guys suggested. When I get a respose from a so called electrician (who is more likely a handyman), I like Mr. Evans response: When someone gives one of my clients a line like that, I suggest that they request that the electrician write it down on their company letterhead and sign it with their name and license number because they want to double check with the department of licencing and regulation. For some appliances, this is simply a cord that can be unplugged from an outlet. It clearly states that the service panel breaker can serve as the disconnect device. sorry for the typo, I ment I don't see why an AC pull type disconnect wouldn't meet code, not why it would work.
It clearly states that the service panel breaker can serve as the disconnect device. Whether code or not, no matter the age of the home, working on any appliance without being able to control the power source is a recognized hazard and should be called out by a home inspector IMO.
Either way the unit must have a disconnecting means or a breaker lockout. That could be in another room. I calculated that it needs 10awg wire as well, I don't know if that's what he has used I have only seen a picture she sent me of the install. I continue to call them out on my inspection reports, yet relators tell me the electricians say they are not required. Exception No. (A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. JavaScript is disabled. Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: There must be a disconnecting means to disconnect the ungrounded conductors from the appliance. If panel with the branch circuit CB is *within sight *then it qualifies as the maintenance disconnect. 422.30 General. Below is a preview of the nec. You should reread the citation ref: shall be provided to disconnect each appliance. This does not make this part of the code choosable as far as applicability nor does it nullify the code. :mrgreen: I just wanted to thank my fellow inspectors for their fine input on the Insight Disconnect for electric water heaters. I only see the shutoff by the unit in new construction. Where this Code specifies that one equipment shall be in sight from, within sight from, or within sight of, and so forth, another equipment, the specified equipment is to be visible and not more than 15 m (50 ft) distant from the other. 2: Where an attachment plug and receptacle serve as the disconnecting means in accordance with 440.13, their location shall be accessible but shall not be required to be readily accessible. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. For permanently connected appliances rated over 300 volt-amperes or 1/8 hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position. Interesting thing is if the water heaters used 4000 watt elements then you would still have to use #10 wire however you could use a 20 amp snap switch. Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: A water heater is an appliance and falls under the requirements of article 422. I don't charge my family for work they need to have done. In fact all i found was a means of way of disconnecting the unit has to be within line of site of the water heater. At least, that is my understanding. If the switch or circuit breaker is capable of being locked in the open position, it doesn't need to be within sight. They are not required by any code that I am familiar with. Rinnai tankless water heater beeping. ya I don't charge my family money either ha ha. For permanently connected appliances rated at not over 300 volt-amperes or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means.
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