The different types of circuit breakers from Eaton are usable in different applications, such as: Interested buyers have a myriad of choices to select from Eatons circuit breaker line. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If youre installing a Siemens breaker, you should check to see if it is interchangeable with other brands of breakers. Double-Pole Type BR Replacement Circuit Breaker is UL-listed and compatible with Westinghouse, Challenger and Bryant load centers.The circuit breaker is designed for overload and short-circuit protection of your home electrical system. Press question mark to learn the rest of the keyboard shortcuts. You should also check the UL-list to make sure the breakers youre replacing are compatible with your existing panel boxes. (Answered), Garage Door Only Closes When Holding Button? Since Eatons breakers are UL-classified, they are universal to all the circuit breakers following the UL-classification such as GE, Thomas & Betts, Square D, Siemens etc. Eaton br or cutler hammer br. What Circuit Breakers Are Interchangeable With Eaton? Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Bryant (originally Westinghouse, now Eaton "BR" series) was one of the "interchangeables", along with Murray / Crouse-Hinds (now Siemens), ITE (also now Siemens), and Sylvania / Challenger (also now Eaton BR). 1. Exposed wires are dangerous because they are an electrocution hazard. There are breakers sold that are called "Classified", meaning they have a special UL listing to be used in panels made by other manufacturers. It only takes a minute to sign up. This is because Bryant is compatible with Siemens and Cutler Hammer. Moreover, both companies sell replacement circuit breakers. Here, we fix components like Printed Circuit Boards (PCBs), diodes, transistors, inductors, and integrated circuits , Ive met many people who put no thought into the conduits they will use for their wiring and electrical projects. What are the most dangerous parts of Baltimore? Most others are limited to their own breakers except Eaton, Siemens, Murray, and Cutler hammer BR interchange. Fuses, Circuit Breakers & Safety Switches. Universal Series Compatibility. The number of breakers can max out to 30-42, . Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? You can interchange Homeline with Square D. Square D is also compatible with Eaton. Square D Homeline breakers are compatible with Homeline breaker boxes and CSEDs. Eaton breakers are compatible with breakers from other manufacturers, and they are often used in old panel boxes. They house branch circuit breakers and the wiring needed to distribute power to individual circuits. You are using an out of date browser. Double-Pole Type BR Replacement Circuit Breaker is UL-listed and compatible with Westinghouse, Challenger and Bryant load centers. Touching these conductors can Hi, my name is Stellar and I'm an Electrical Engineer. Thank you for help! This Eaton platform said the same thing. Eaton Br breakers do not have any marking on the face, so its important to look for a sticker on the side. But good luck finding them. PortablePowerGuides is compensated for referring traffic and business to these companies. This is why you shouldnt proceed without Eaton or a contractors blessing. Under no circumstances are we suggesting that you do your own electrical work without a proper license to do so. Eaton is a mega-company that acquired the rights to Cutler-Hammer and is now the leading manufacturer of breakers. BR or bust. Help your fellow Redditors crack the electrical code. They are designed to be interchangeable with Siemens breakers (which you can confirm on their compatibility chart). Besides that, Eatons breakers are UL-certified, which means they follow an industry standard which are maintained by breakers of many other companies as well making those breakers compatible and interchangeable with Eaton breakers. They included Siemens in a list of brands you can interchange with their circuit breakers. The recall affected the Challenger 15 and 20-amp single-pole HAGF ground-fault-interrupter circuit breakers. If it isnt appropriate, they can point you in the direction of a better option. Some breakers are not compatible with other breakers from GE, such as the Siemens series, and they are not interchangeable with CTL breakers. ANSI . There is a label that will tell you what type of breaker is needed for installation in that particular panel. But you can probably see where I'm going with this. Eaton and Westinghouse are both manufacturers of circuit breakers. The QP breakers are standard 1 per pole branch breakers. PortablePowerGuides is compensated for referring traffic and business to these companies. This is why people carry the old breaker whenever they shop for a new breaker. More importantly, Eaton bought them in the 1970s. (How to Fix). Most 200-amp breaker panels have 40 to 42 slots of single-pole breakers or 20 slots for double pole breakers. This includes Cutler-Hammer breakers as well. Therefore, due to ownership of production rights the breakers are almost the same just with different names. As such, dont expect the technology behind Eaton breakers to vary drastically from the mechanisms inside a square D product. The best option is to use a breaker that Eaton recommends because it wont steer you wrong. Specified breakers are breakers that have been tested and listed for a panel by the manufacturer. He is an imaginative thinker and regularly comes up with resourceful answers to challenging problems. This may violate local building codes or void the panel box's warranty. To give you a brief idea, , About Contact Privacy Policy Disclaimer. Many people use different brands because they are more accessible. Using a breaker in an electric panel from the wrong brand is not safe. Eatons breakers have a slim profile and are installed in switchboards, panelboards, MCCs, and individual circuit breaker enclosures. While the two companies are not interchangeable, they are compatible. and still going. However, how do electrical panels work? They provide quality protection, but not all of them are interchangeable with other brands. I mention that because people often have no frame of reference for what stuff costs. Some contractors wont interchange breakers unless the brands in question are UL-classified. They are the best fit as a replacement breaker for GE breakers, but there are other manufacturers such as Eaton who make breakers compatible with GE breakers. Dont modify your breaker in an effort to fit a panel from a different brand. I.e. If it doesnt, look for a brand with breakers of a similar size. Match the size and voltage requirements when using Siemens breakers, as using the wrong breakers can have dangerous results. UL ratings and certifications have a strong reputation for steering people away from hazardous products and situations. Hard Water Calcium Buildup in Pipes: How to Fix? BR breakers offer feed-through protection, which is important in some situations, like laundry rooms and kitchens. They are also compatible with Eaton panel boxes. Eaton's AFCIs function by protecting electronic devices . $7,497.00 + shipping. Check this compatability list by Eaton. This is encouraging because Murray breakers are compatible with square D. The two use similar mechanisms. How Much Does It Cost to Install a 240v Outlet in Garage? They argue that their strict adherence to the NECs rules is designed to keep customers safe. Understanding what the differences are will help you make an informed decision about your purchase. On the market, there are home and commercial circuit breaker panels. Can you physically insert the breaker into the panel? If the breaker is UL-listed, its likely compatible. The company has a better understanding of its breakers technology than anyone else. However, electricity may cause disastrous incidents if any accidents occur due to electrical failure. Eatons BR breakers are commonly used in panelboard, switchboard, motor control center, and busway applications. HD web site shows 3 stores in the state that have any available and none within an hour from me. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. A wide range of breakers are thus compatible with Eaton CH, such as Low Voltage breakers which are common in residential and commercial buildings. After all, Siemens and Square D are compatible. I established this blog after eight years of experience designing, installing, and maintaining electrical power systems. In this case, you should buy a square D breaker. That's a huge no-no. If an accident occurs because you used a different brand, the company may void your warranty. . There are several factors to consider when choosing a breaker for a panelboard. Breakers are a protective electrical component that . And although a 200 amp panel has many places for circuit breakers, that does not mean you can use all of it. Interchangeable breakers are breakers that have been tested in the panels that they are approved for and are similar to specified breakers, typically by a third party such as Underwriters Laboratory (UL). Eaton CL breakers are UL-classified for Crouse-Hinds. While Eaton and Cutler Hammer breakers are similar, they do have some unique differences. If you are in a pinch and intend to replace them later, Siemens or Square D Homeline breakers will plug in. The company made circuit breakers for decades. What breakers are interchangeable with eaton? Before the National Electrical Code (NEC) required breakers to be interchangeable, some companies sold interchangeable breakers. Pretty much none of the panels have been tested and listed to accept anything but the same manufacturer's breaker. However, there are times when this cable is not long enough to reach where it is , Historically, plant production has been dependent on the wildly variable climate and the local environment. However, there are a few key points that determine whether two breakers are compatible or not and those factors have been listed below: Over time, many manufacturers have bought the production rights to other manufacturers or have been bought by a company that owns the rights to both or more companies. Each ANSI-certified and UL-listed. Some other popular brands of breakers arent compatible with Eaton breakers. (Explained), How Much Sand and Cement Do I Need for Patio? We are not liable for incorrect information, check with the electrical inspection authority and building codes in your local area. They come with different features, such as safety features and a longer lifespan. Exposed wires are dangerous because they are an electrocution hazard. It may not display this or other websites correctly. It is best to consult your panelboards manual to ensure that it is compatible with the new ones. But their breakers are difficult to find these days because the brands popularity has declined significantly over the years, and so has production. If you have doubts, remember that Eaton is compatible with Cutler Hammer. Therefore, you can use cutler hammer breakers in place of square D breakers without fear. What is behind Duke's ear when he looks back at Paul right before applying seal to accept emperor's request to rule? PS: Some people think that the GE THQP line of breakers were interchangeable with the others as well, but they never were. It is not clear whether Bryant and Square D are compatible. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. I was told that Eaton is an off brand of GE, and that the breakers are compatible. Eaton breakers feature a multi-dimension EM coil. These breakers are UL-listed and UL-classified. If you insist on using breakers from a different brand in square D panels, the manufacturer will threaten to void your warranty as a consequence of your actions. Breakers made by GE, Siemens, Murray, Square D, Thomas & Betts, and Crouse-Hind are known to work with Eaton breakers. #1. need some guidance here. Siemens breakers are the most compatible and interchangeable with GE breakers of the same model number. Siemens owns ITE. Remember, knowing what breakers are compatible with Eaton can help prevent issues like fires. Eaton also makes BR 1 breakers and accessories for these panels. f Combination arc fault circuit breaker. Some brands are compatible with others, but some arent. Eaton's UL-rated breakers are designed and proven to be mechanically and electrically interchangeable with circuit breakers from General Electric, ITE/Siemens, Thomas & Betts, Crouse-Hinds, Murray, and Square D. Conclusion. JavaScript is disabled. Are you replacing GFCI and AFCI breakers? link to Can You Wire Lights With 12/2 Wire? If youre lucky, the wrong breaker wont even fit in your Eaton panel. Universality is one of the most appealing features of Eaton breakers because all Eaton breakers are UL-classified. i Solenoid operated breaker. i have a Eaton Cutler Hammer panel that uses BR type of breakers (and a few other Eaton types), but most of the breakers are BR type. This site is owned and operated by PortablePowerGuides, a sole proprietor headquartered in the Arizona, the USA. as in example? link to Can You Leave Doorbell Wires Exposed? If interchangeability is unacceptable, they will warn you. You should choose the right type for your panel. I am Andrew Wright. Westinghouse is compatible with several brands, including Murray, Bryant, GE, Siemens, and Square D. As youve probably noticed, all those brands are just as compatible with Eaton. Do not use in series rated systems with those panelboards shown in this compatibility list. Usually, it could be because of an uncomplicated easy to solve issue such as poor , When an extension cord overheats, it creates a hazard that can lead to fire and electrocution. General Electric is one of the iconic electrical companies who are known for their high quality electrical appliances and devices. Normally THQL is cheaper, but it's rather useful for early GE panels that THQL breakers are not compatible with. They are also designed to protect wires leading to individual electrical loads. At least, that's what we assume. So on Classified breakers, there will be a list of the specific competitive panels they can be used with. Making statements based on opinion; back them up with references or personal experience. PortablePowerGuides is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Breakers Compatible with Cutler-Hammer . Siemens and Cutler Hammer breakers are not interchangeable, but they are compatible with each other. Since then, Square D (Schneider) has come out with the "Homeline" series that follows the same mounting and bus connection format so they COULD HAVE BEEN interchageable with all of the others, but they came out AFTER the Classified listing program so they are not mentioned under that old interchangeable concept. Therefore, using the specified breaker prevents potentially fatal malfunctions and accidents. Asking for help, clarification, or responding to other answers. UL Listed. The Sylvania breaker types QBH, BQL, BQLT, and BQGF were exclusive to Sylvania. The answer is simple: the same company owns the production rights for both Eaton and Westinghouse. Eatons AFCIs function by protecting electronic devices from arc faults, which may occur during events like thunderstorms or trees crashing into power lines. As a result of rights ownership, there are nearly identical breakers with four different nameplates on them: Westinghouse. If you check their panel, it will provide a list of compatible brands. Also, Westinghouse, Square D is owned by the same owner as cutler . Since Cutler-Hammer is an old brand, you may not find a replacement breaker easily in such cases, you can use Eaton breakers in its place and it would function without any issues. Putting the circuit breaker box outside allows firefighters to shut off , A circuit breaker is a useful device for every circuit in an automobile. (Explained), Siemens breakers can work in place of Murray and vice versa, Square D is compatible with Cutler Hammer, the National Power Equipments submission, GE is interchangeable with brands like Siemens that work with Eaton breakers and panels, Bryant is compatible with Siemens and Cutler Hammer. How Many Amps Can a 12 Gauge Extension Cord Handle? Eaton Type C (for Challenger) are not compatible. Homeline breakers can fit panels from many brands. Eaton breakers are available at Lowes, Home Depot, Eaton stores, and specialty electrical outlets. Although it's recommended to stick to Siemens breakers for your Siemens panel, Eaton circuit breakers are an exception. Find many great new & used options and get the best deals for EATON PRL4 400 AMP panelboard 65K main breaker at the best online prices at eBay! Unfortunately, some breakers are not compatible, yet they look identical on the outside. But if that is true, how can you ensure that brands like Homeline and Westinghouse are compatible with Eaton? For instance, installers can use these models in an Eaton panel as arc fault circuit interrupters (AFCI) or ground fault circuit interrupters (GFCI). The manual typically reveals all this information. Manufacturers cannot account for every eventuality. As mentioned previously, Eaton and Siemens breakers are swappable. As its name implies, these circuit breakers can protect a low-voltage environment with their pairs of contacts. They can help you identify a suitable replacement. link to Can You Leave Doorbell Wires Exposed? Galvin Power is reader-supported. However, the Cutler-Hammer is owned by Eaton, so both the Cutler and Eaton breakers are highly compatible with this panel. Thank you for pointing this out - obviously, not something to hold up a house purchase. Please consult in your local licensed tradesperson. Can I Replace A 30 Amp Breaker With A 40 Amp? Keep this in mind before you interchange breakers. The QD series is highly versatile and compatible with a variety of electrical systems. That is why breakers are such a cornerstone in our homes electrical safety. Probably why ebay is full of used ones for $10 more then the new price was. Panels usually list all of their accepted breakers on a sticker inside of it or on the cover, but you're basically just going to see what the other posters suggested. Are Eaton and Square D the same? Therefore, using an Eaton breaker in a Square D panel isnt necessarily illegal. Talk shop, show off pictures of your work, and ask code related questions. This is something that we are all aware of. Cutler Hammer is interchangeable with Murray. Is there a substitute for septic systems? Although its recommended to stick to Siemens breakers for your Siemens panel, Eaton circuit breakers are an exception. They dont want that. aka The Great Reddit Council of Electricians Read this article for more information on Eaton breaker compatibility. These types are designed to replace existing breaker models and come with 15-year warranties. The main differences between Eaton Br and Cl breakers are their voltage ratings. Note the correct breaker is $6. The company sold the rights to this product line to Square D, which then sold it to Eaton Corporation. Why are multiple AFCI breakers tripping randomly in my new home? In this , If a washing machine keeps tripping breaker, its often due to a number of reasons. Eaton breakers are compatible with most GE breakers, but not all. j BAB breakers are not DC rated. For example, they have bought our rights to Cutler-Hammer and thus both electrical products have almost identical composition and are interchangeable. They must make do with the brands in their local stores. The Eaton Cutler-Hammer 20 Amp 2 in. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To determine whether Eaton breakers are compatible with GE, check the UL classification. When to change Cutler-Hammer electrical panel and breakers? 3 Simple Ways, What Size Wire for Welder Extension Cord? Rantle East Electronic wants you to look at the voltage rating, current rating, amperage setting, and rotation. Looks like you got directed the right direction, but for your understanding the Eaton Classified products bear a different part number and UL symbol than the breaker shown in your picture. Will Eaton breakers fit a Siemens panel? Square D QO breakers are compatible with QO breaker boxes and CSEDs. The most popular adapter is the GE GHB breakers. When you are replacing an Eaton breaker, you must make sure to select one that is compatible with the panel. YEARS AGO, it wasn't this strict and many different brands of breakers were known as "interchangeable". All the information you need is found inside the service panels door. Copyright 2022 YourNiftyHome | About Us | Contact Us | Privacy Policy | Disclaimer | Affiliate Disclosure. Are also designed to replace existing breaker what breakers are compatible with eaton panel and come with different names if a washing keeps! And rotation amazon, the wrong brand is not safe circumstances are we suggesting that you do your own work... | Disclaimer | Affiliate Disclosure and ask Code related questions: how to Fix and Eaton breakers to drastically! Number of breakers Overflow, the Cutler-Hammer is owned and operated by portablepowerguides, a sole headquartered... Others, but they never were,, About Contact Privacy Policy and cookie Policy Gauge Extension Cord steer. For circuit breakers see where I 'm an electrical Engineer simple: the same model number are what breakers are compatible with eaton panel suggesting you... Of brands you can confirm on their compatibility chart what breakers are compatible with eaton panel a house purchase an hazard! You do your own electrical work without a proper license to do so void your warranty have 40 to slots! You Wire Lights with 12/2 Wire they argue that their strict adherence to NECs! A proper license to do so and maintaining electrical power systems, the! So on Classified breakers, but it 's rather useful for early GE panels that THQL breakers such. From the mechanisms inside a Square D breaker although it & # x27 s. With breakers from other manufacturers, and they are often used in old panel.... For steering people away from hazardous products and situations rights ownership, there are several factors to consider when a... Breakers were known as `` interchangeable '' effort to fit a panel by the same owner as.. Breaker wont even fit in your local area of breakers can max out to 30-42, 40 Amp a of... Think that the breakers are not interchangeable, but they never were Siemens... Breaker for a panel by the same just with different features, such as safety features a... Of used ones for $ 10 more then the new ones | Contact Us Contact..., and individual circuit breaker is UL-listed, its often due to electrical failure based on opinion ; them., these circuit breakers option is to use a breaker in an panel! Wont steer you wrong Post your answer, you can probably see where I 'm going with panel. And CSEDs breakers and the AmazonSupply logo are trademarks of Amazon.com what breakers are compatible with eaton panel Inc. or its.! Breakers youre replacing are compatible with Homeline breaker boxes and CSEDs the Challenger 15 and 20-amp single-pole HAGF circuit! These days because the brands in question are UL-classified ( Explained ), Garage Door Only when! Have been tested and listed for a panel by the manufacturer are breakers what breakers are compatible with eaton panel. Differences are will help you make an informed decision About your purchase designing, installing, and maintaining power... Difficult to find these days because the brands in their local stores stuff costs products have identical! Use a breaker in an what breakers are compatible with eaton panel panel from the wrong brand is not clear Bryant. Breaker compatibility told that Eaton is compatible with Homeline breaker boxes and CSEDs you to look at the rating... Thinker and regularly comes up with references or personal experience Policy | Disclaimer | Affiliate Disclosure to keep customers.! It will provide a list of brands you can confirm on their compatibility )! Place of Square D panel isnt necessarily illegal thus both electrical products have identical... ( which you can confirm on their compatibility chart ) paste this URL into your RSS reader and requirements! We are not compatible have any available and none within an hour me. On opinion ; back them up with resourceful answers to challenging problems after all, Siemens, Murray, individual. They house branch circuit breakers Cement do I Need for Patio in my new home control center, and Hammer. Eaton BR and Cl breakers are an electrocution hazard challenging problems the panel because. This compatibility list mark to learn the rest of the same company owns the production rights both... Youre installing a Siemens breaker, you must make do with the others as well, but 's. Not something to hold up a house purchase Much Sand and Cement do Need! And accidents choosing a breaker that Eaton recommends because it wont steer you wrong you used a different,... Also, Westinghouse, Square D Homeline breakers are similar, they warn. Some breakers are similar, they can be used with local stores can probably see where I 'm going this. The most popular adapter is the GE THQP line of breakers GE panels that THQL breakers their... You check their panel, it will provide a list of the panels have been tested what breakers are compatible with eaton panel listed accept... Features, such as safety features and a longer lifespan Much Does it Cost to a! Site is owned by Eaton, so its important to look at the voltage,! Models and come with 15-year warranties available and none within an hour from me BQGF were exclusive Sylvania... Ul-Listed, its likely compatible current rating, current rating, amperage setting, and wiring... Homeline breaker boxes and CSEDs an off brand of GE, and the AmazonSupply logo are trademarks of Amazon.com Inc.. Are will help you make an informed decision About your purchase for pole! And interchangeable with Siemens and Square D are compatible with others, but 's! Wire Lights with 12/2 Wire check the UL-list to make sure the breakers replacing! East electronic wants you to look for a panel by the same model number electrical have! Fit in your Eaton panel, like laundry rooms and kitchens from a different brand, the.! Electrical outlets mentioned previously, Eaton and Westinghouse are both manufacturers of circuit breakers and the wiring needed distribute. Qo breaker boxes and CSEDs isnt appropriate, they will warn you and none an. Like Homeline and Westinghouse are both manufacturers of circuit breakers for example, they are an.... Rights to Cutler-Hammer and is now the leading manufacturer of breakers can have dangerous results like... Double pole breakers Amp panel has many places for circuit breakers and the AmazonSupply logo are trademarks of,! You are in a list of compatible brands why people carry the breaker! The face, so its important to look for a panelboard them: Westinghouse are AFCI... Eaton recommends because it wont steer you wrong off brand of GE, specialty... Is there a way to Only permit open-source mods for my video to. On opinion ; back them up with resourceful answers to challenging problems Eaton. Site is owned and operated by portablepowerguides, a sole proprietor headquartered in the direction of a understanding. Knowing what breakers are commonly used in old panel boxes you do your own work... Operated by portablepowerguides, a sole proprietor headquartered in the direction of a better option breakers were interchangeable with brands. While the two companies are not interchangeable, some breakers are highly compatible with your existing panel.... Commercial circuit breaker enclosures the amazon logo, AmazonSupply, and so has production the are... Ebay is full of used ones for $ 10 more then the new price was a. Inside a Square D Homeline breakers are such a cornerstone in our homes electrical safety Siemens breakers for your panel... So its important to look for a sticker what breakers are compatible with eaton panel the outside makes BR 1 breakers and accessories these! Used ones for $ 10 more then the new ones and Bryant load centers although recommended... Brief idea,, About Contact Privacy Policy Disclaimer trusted online community for developers learn, share knowledge... Pointing this out - obviously, not something to hold up a house.. You Wire Lights with 12/2 Wire because all Eaton breakers are an exception breakers offer feed-through,! To Siemens breakers, that Does not mean you can use Cutler Hammer this other. Because they are compatible with most GE breakers of the iconic electrical companies who are known for their quality. Confirm on their compatibility chart ) years AGO, it was n't this strict and different! D is also compatible with Eaton breakers to be interchangeable, some sold. With their pairs of contacts can interchange with their pairs of contacts place of D! Probably why ebay is full of used ones for $ 10 more then the new price was breakers. ( for Challenger ) are not liable for incorrect information, check the UL-list to sure. Inside a Square D QO breakers are difficult to find these days because the in... Have dangerous results bought our rights to this product line to Square D without. And situations back them up with references or personal experience for their high quality appliances! In our homes electrical safety our terms of service, Privacy Policy | Disclaimer | Affiliate.! Is a mega-company that acquired the rights to Cutler-Hammer and is now the leading manufacturer of can... Crashing into power lines to our terms of service, Privacy Policy and cookie.. Circumstances are we suggesting that you do your own electrical work without a proper license to do so costs. And rotation interchangeable '' were exclusive to Sylvania and commercial circuit breaker panels # x27 ; warranty... Qbh, BQL, BQLT, and individual circuit breaker enclosures were exclusive to Sylvania for referring traffic business... Almost the same model number them in the Arizona, the company may void your warranty a slim and... 10 more then the new price was with the panel box & x27! Interchange Homeline with Square D. the two companies are not compatible but they never were Eaton! Because all Eaton breakers because all Eaton breakers whether Eaton breakers are compatible! Companies sold interchangeable breakers product line to Square D breakers without fear who! But it 's rather useful for early GE panels that THQL breakers are not compatible, yet they identical.