water heater disconnect code

2022.07.31
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water heater disconnect code

A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. Article 424 applies to fixed electric space heating equipment. Interesting thing is if the water heaters used 4500 watt elements then you would still have to use #10 wire however you could use a 20 amp snap switch. William Blake.

heater tankless iheat volts I continue to call them out on my inspection reports, yet relators tell me the electricians say they are not required. 1" gas line, with a drip. 422.31 Disconnection of Permanently Connected Appliances. 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. Electric water heaters exceed the 300 volt-amp requirement of this section and are subject to additional requirements. ricardolevinsmorales pv rheem induction "If the doors of perception were cleansed everything would appear to man as it is, Infinite. To apply this code, one has to assume that the water heater is not within view of the service panel. Under the current code all water heaters require that there be a disconnect within sight or have provisions to install a lock on the switch or circuit breaker. 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. ya I don't charge my family money either ha ha. Enter Our Dog Days of Summer BBQ Giveaway Now! Particular requirements for storage water heaters. 422.31 Disconnection of Permanently Connected Appliances. The guys at hd really didn't know much about typical code requirements for a. Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! Rest in peace Black4Truck..B4T.Bob. It is truly a safety consideration for someone servicing a water heater, be they a contractor or a home owner. As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. 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. 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. Potential causes of the beep include; Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet away or must the circuit breaker be. In future I may just use a switch as you guys suggested. 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. I believe the panel breaker must be in the same room for this to apply, if not you would need another disconnect located within sight of the water heater. Disconnecting means shall be located within sight from and readily accessible from the air-conditioning or refrigerating equipment. If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified. It clearly states that the service panel breaker can serve as the disconnect device. He has written self help and how to articles on photography for numerous photography websites. 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. P.S. 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. ** Either way the unit must have a disconnecting means or a breaker lockout. The Fora platform includes forum software by XenForo. (A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. The majority of house I inspect in Riverside County CA, with electric water heaters do not have insight disconnects. That has not always been the code. The National Electric Code is a guide that localities may adopt as part of their local building codes. The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.) No need to worry about electrical codes. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. This does not make this part of the code choosable as far as applicability nor does it nullify the code. Self taught, Edwards extensive knowledge of photography comes from years of passionate pursuit of the art. Under the current code all water heaters require that there be a disconnect within sight or have provisions to install a lock on the switch or circuit breaker. If the over-current device does not meet this provision, than an additional disconnect must be provided that does meet the requirement. When OSHA wrote its lock-out/tag-out rules, they didnt grandfather existing facilities. 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. Some earth quake straps, and your done. It contains two heating elements. 422.13(B) Appliances Rated **Over **300 Volt-Amperes or 1/8 Horsepower. Only Mr. Bushart argued the point, as he did not understand the Insight part of the requirement. 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. Where I live now the Water Heater Breaker has a Lockable Breaker as required. They would be covered under 440.14: 440.14 Location. Tools for electricians, installers, maintenance & service technicians: In this case, the supply circuit is 240 volts. 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. 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. Below is a preview of the nec. Dennis I know you mention 20 amp snap switch but due the water heater circuit rating IMO it pretty much contionous* so therefore it cost little more to get proper 30 amp switch instead of useing 20 amp switch it will become crispy. It doesnt say if, or when, or maybe, or sometimes. It would be incorrect to imply that all water heaters needed a disconnect. The disconnecting means shall not be located on panels that are designed to allow access to the air-conditioning or refrigeration equipment or to obscure the equipment nameplate(s). Thanks for the help! 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. You re-read it. If panel with the branch circuit CB is *within sight *then it qualifies as the maintenance disconnect. A means for disconnecting an electric hot water supply system from its energy supply shall be provided in accordance with nfpa 70. Also, if someone is in the tub and there is a problem, the disco in not reachable from in the tub.

Yet that same inspector would probably have no problem if it were a snap switch. 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.

For a better experience, please enable JavaScript in your browser before proceeding. A means shall be provided to simultaneously disconnect each appliance from all ungrounded conductors in accordance with the following sections of part iii. How do I Convert a 240V Hot Tub to a 120V? 422.30 General. 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. Code requirements must be met when installing electric water heaters. 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. It clearly states that the service panel breaker can serve as the disconnect device. I found one at Home D for only $7.50 vs the larger landle switch type for $45. 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. JavaScript is disabled.

Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet away or must the circuit breaker be. I have builders tell me that is not required in the county for any number of things. Below is a preview of the nec. The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.) If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified. The disconnecting means for a permanently connected water heater must comply with 422.31(b). A hot tub or whirpool is GFI protected, The disco I would think is for work purposes. Particular requirements for storage water heaters. Here are the four options: To remove a hot water heater, we first had to disconnect the various. You re-read it. Article 100 of the NEC defines within sight as being visible from the equipment up to 50. Any thoughts? It clearly states that the service panel breaker can serve as the disconnect device. 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. 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. This section covers electric water heaters that lack a cord for plugging into an outlet; it states that the over-current device can serve as the disconnecting means only if it is visible from the appliance or if the over-current device is capable of being locked in the open (off) position. 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. Article 422.30 of the National Electric Code requires that an electric appliance have a means to disconnect it from all ungrounded, or current-carrying, conductors. In this case, the supply circuit is 240 volts. I'd just rip it out and install a gas water heater. 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. The provisions for locking shall remain in place with or without the lock installed.

Suburban Chicago native Chris Edwards, began writing for his school newspaper in 1991.

You should charge them double..:laughing: It depends on the inspector, if the inspector feels that disconnect switch is likely to require service or testing while energized than 110.26 applies and you would have to have it out in the open.

He studied business management at Triton College. Most electric water heaters are intended to be hard wired. Particular requirements for storage water heaters. 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. The National Electric Code addresses disconnection requirements for appliances. 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. I only see the shutoff by the unit in new construction. they make a 30A pull out that is a few cents cheaper:thumbsup: The inspector asked for a disconnect at the unit. Interpretation of code on disconnects on water heaters.My understanding of the code on disconnects for water heater is that it is not required as long as breaker is lockable .is this correct ? Water Heater Disconnecting Means. Just one other thought, the locked in the open position provision of 422.31(B) does not apply to most dwelling A/C compressors/fan units. The National Electric Code stipulates disconnect requirements for water heaters. Second question can it be mounted above the water heater between the hoses going in and out of the water heater? Problems With a S8610U Honeywell Controller. Either way the unit must have a disconnecting means or a breaker lockout. Before calling it out, carefully observe the breaker. Why not use a double pole 30 Amp rated switch? The Realtor and the electrician were right? It is not optional. I don't charge my family for work they need to have done. That is they have to have a disconnect if they are not within light of sight of the panel (unless the breaker is lockable). 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. Article 424 applies to fixed electric space heating equipment. If you are even thirsty, you are two quarts low. 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. I am not a lic electrian but I do a lot electrical wiring nothing over 240V thou. You talking code now? It does say that under certain conditions the circuit breaker is permitted to serve as the disconnecting means. // 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. Powered by Discourse, best viewed with JavaScript enabled. For some appliances, this is simply a cord that can be unplugged from an outlet. If there is no disconnecting means within sight, then the circuit breaker must be lockable. 422.31 Disconnection of Permanently Connected Appliances. Disconnection of permanently connected appliances. I write it up on 80% of all water heaters. My response is " yes, it is required, there is just not any enforcement in the unincorporated areas". Electric water heater disconnecting means is it required at the unit or within sight (visible and not more that 50 feet originally posted by: I placed a call to the inspector for her and he has not called back and it's been 3 days. You are using an out of date browser. 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. So are we all agreed? Ken S. I did (reread) and **I **believe you to be right. For appliances rated over 300va or 1/8 hp, a switch or circuit breaker located within sight from the appliance can serve as the appliance disconnecting means. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. It may not display this or other websites correctly. Always check with your local code enforcement officials before modifying an electrical system. As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker and shall remain in place with or without the lock installed. 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: The disconnecting means must be capable of being locked in the open position. I originally posted this and was impressed with the proffessional replies. I wanted to use that section for a hot tub once but for that it says readily accessible, in sight of, and the 5 foot rule.