A permanently connected appliance is one without a cord plugged into an outlet. You are using an out of date browser. :mrgreen: I just wanted to thank my fellow inspectors for their fine input on the Insight Disconnect for electric water heaters. they make a 30A pull out that is a few cents cheaper:thumbsup: The inspector asked for a disconnect at the unit. 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. Like Brian said, sometimes they are capable of being locked out and that is acceptable. Rest in peace Black4Truck..B4T.Bob. Appliances that fall under this description can be disconnected by an over-current device, such as a circuit breaker or a fuse, without any additional means of disconnection required. You re-read it. Some earth quake straps, and your done. 
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. That has not always been the code. They are not required by any code that I am familiar with. How do I Convert a 240V Hot Tub to a 120V?
Particular requirements for storage water heaters. 422.30 General.
If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified. 
Below is a preview of the nec. 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.
The majority of house I inspect in Riverside County CA, with electric water heaters do not have insight disconnects. If there was no approved disconnecting means for the water heater, Ken was correct to call it out. 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. In future I may just use a switch as you guys suggested. (A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. Exception No. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. 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. I only see the shutoff by the unit in new construction. Below is a preview of the nec. Potential causes of the beep include; Particular requirements for storage water heaters. 1" gas line, with a drip. Where I live now the Water Heater Breaker has a Lockable Breaker as required. Article 424 applies to fixed electric space heating equipment. If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified. That is they have to have a disconnect if they are not within light of sight of the panel (unless the breaker is lockable). 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. My response is " yes, it is required, there is just not any enforcement in the unincorporated areas". If panel with the branch circuit CB is *within sight *then it qualifies as the maintenance disconnect. Yet that same inspector would probably have no problem if it were a snap switch. You re-read it. Why not use a double pole 30 Amp rated switch? that is serving more than one rental dwelling unit. Self taught, Edwards extensive knowledge of photography comes from years of passionate pursuit of the art. 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.
He studied business management at Triton College.
Disconnection of permanently connected appliances. 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.
Either way the unit must have a disconnecting means or a breaker lockout.
This does not make this part of the code choosable as far as applicability nor does it nullify the code. "If the doors of perception were cleansed everything would appear to man as it is, Infinite.
JavaScript is disabled. Obviously if there was a sub-panel in view of the appliance it would not be required and I have seen a few like that, in which case I did NOT call those out. The guys at hd really didn't know much about typical code requirements for a. The Fora platform includes forum software by XenForo. In Sight From (Within Sight From, Within Sight). Ken S. I did (reread) and **I **believe you to be right. 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. Article 424 applies to fixed electric space heating equipment. I'd just rip it out and install a gas water heater. Article 100 of the NEC defines within sight as being visible from the equipment up to 50. P.S. Particular requirements for storage water heaters. ya I don't charge my family money either ha ha. Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. 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. Run a nice B-vent all the way up through the roof. Only Mr. Bushart argued the point, as he did not understand the Insight part of the requirement. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III.
In this case, the supply circuit is 240 volts. If the over-current device does not meet this provision, than an additional disconnect must be provided that does meet the requirement. It clearly states that the service panel breaker can serve as the disconnect device.
A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.)
When OSHA wrote its lock-out/tag-out rules, they didnt grandfather existing facilities. As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. (B) Appliances Rated Over 300 Volt-Amperes or 1/8 Horsepower. 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. (A) Rated at Not Over 300 Volt-Amperes or 1/8 Horsepower. Tools for electricians, installers, maintenance & service technicians: In this case, the supply circuit is 240 volts. Electric water heaters exceed the 300 volt-amp requirement of this section and are subject to additional requirements. It does say that under certain conditions the circuit breaker is permitted to serve as the disconnecting means. 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. They would be covered under 440.14: 440.14 Location. Any thoughts? Either way the unit must have a disconnecting means or a breaker lockout.
422.31 Disconnection of Permanently Connected Appliances. The National Electric Code stipulates disconnect requirements for water heaters. It contains two heating elements. I am not a lic electrian but I do a lot electrical wiring nothing over 240V thou. I guess I will go ahead and use the pull switch I bought at HD, sounds like it is all I need. I have builders tell me that is not required in the county for any number of things. To apply this code, one has to assume that the water heater is not within view of the service panel. 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. Here is the section that is relevant to your question. Thanks for the help!
It would be incorrect to imply that all water heaters needed a disconnect. 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. 422.31 Disconnection of Permanently Connected Appliances. But why? The National Electric Code addresses disconnection requirements for appliances. JavaScript is disabled. 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. Where a disconnecting means is required to be lockable, it shall be capable of being locked in the open position. It also means that it could be 5 away in the same room and not be within sight.
I found one at Home D for only $7.50 vs the larger landle switch type for $45. 422.31 Disconnection of Permanently Connected Appliances. If you are even thirsty, you are two quarts low. 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. 99.99% of our water heaters are electric. Always check with your local code enforcement officials before modifying an electrical system. 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. How to Force Frigidaire Freezers Into Auto Defrost Mode, Copyright 2022 Leaf Group Ltd. / Leaf Group Lifestyle, All Rights Reserved. It clearly states that the service panel breaker can serve as the disconnect device. The disconnecting means shall be permitted to be installed on or within the air-conditioning or refrigerating equipment.
You should reread the citation ref: shall be provided to disconnect each appliance. 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. No need to worry about electrical codes.
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 continue to call them out on my inspection reports, yet relators tell me the electricians say they are not required. 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. It is not optional. 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. 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. You talking code now? Powered by Discourse, best viewed with JavaScript enabled. 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). 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 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. The provision for locking or adding a lock to the disconnecting. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. // 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. Amendments are sometimes made by localities. If the switch or circuit breaker is capable of being locked in the open position, it doesn't need to be within sight. 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. 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. The Realtor and the electrician were right? 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. Exception No. 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. 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. 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.
That could be in another room. A hot tub or whirpool is GFI protected, The disco I would think is for work purposes. I write it up on 80% of all water heaters. 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. A means shall be provided to simultaneously disconnect each appliance from all ungrounded conductors in accordance with the following sections of part iii. For some appliances, this is simply a cord that can be unplugged from an outlet. Rinnai tankless water heater beeping. I originally posted this and was impressed with the proffessional replies. Either way the unit must have a disconnecting means or a breaker lockout. 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 ? The service disconnecting means shall be installed at a readily accessible location either outside water heater, etc.) As already stated, the same rule that applies to disconnects at furnaces, AC condensers, dishwashers applies to water heaters. William Blake. 1: Where the disconnecting means provided in accordance with 430.102(A) is capable of being locked in the open position, and the refrigerating or air-conditioning equipment is essential to an industrial process in a facility with written safety procedures, and where the conditions of maintenance and supervision ensure that only qualified persons service the equipment, a disconnecting means within sight from the equipment shall not be required. So are we all agreed? It doesnt say if, or when, or maybe, or sometimes. If there is no disconnecting means within sight, then the circuit breaker must be lockable. The National Electric Code is a guide that localities may adopt as part of their local building codes. 422.30 General. 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.
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. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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. Most electric water heaters are intended to be hard wired. 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. Problems With a S8610U Honeywell Controller. (B) Appliances Rated **Over **300 Volt-Amperes or 1/8 Horsepower. 422.13(B) Appliances Rated **Over **300 Volt-Amperes or 1/8 Horsepower. Particular requirements for storage water heaters. The disconnecting means for a permanently connected water heater must comply with 422.31(b). For a better experience, please enable JavaScript in your browser before proceeding. He has written self help and how to articles on photography for numerous photography websites. 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. 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. 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. Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! Status not open for further replies. that is serving more than one rental dwelling unit. Below is a preview of the nec. Enter Our Dog Days of Summer BBQ Giveaway Now! Rinnai tankless water heater beeping. 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. Disconnecting means shall be located within sight from and readily accessible from the air-conditioning or refrigerating equipment. 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.
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