Are you able to determine this from the attached pictures? Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service. For example we often find burned breaker-to-bus connections that are not visible until the breakers have been removed. As a homeowner, you are liable when someone is injured on your property, especially if the harm was foreseeable. Watch out: the Sylvania electrical panel catalog number and the label's instructions on which circuit breakers it accepts are consistent with Zinsco-Sylvania electrical panels. Personal communication, J. Aronstein to D. Friedman, 3/6/2006, James P. Simmons: Personal communication and photographs used in this article series, J. Simmons to Daniel Friedman, 3/4/2006, 2/19/2008. (Click on Icons to go to social media pages.) Replacing the panel can help improve the electrical systems overall performance and ensure it functions correctly. 40 A - Light Gray Toggle Handle Part # RC38-40, 50A - Black Toggles, Part # RC38-50 - shown above, 60A - White Toggle or handle, Part # RC38-60 (not shown in the photo above). Rating with LK-15 150 Amps, LK22 225 AMP. For a minute I thought we weregood! Most of the Zinsco electrical panels and circuit breakers were installed in the 1960s and 1970s. They have a reputation as the breaker which doesnt trip. Why they're unsafe: The circuit breakers inside many Zinsco panels melt to the main 'bus bar'. Depending on the panels amperage (150A or 200A panels will cost more), additional electrical upgrades may also be necessary. GTE Sylvania Circuit Breakers Type QFP ML12(12-24)C (Indoor) - Mod. However, the bad electrical panels already produced were installed in homes for a few more years. "Evaluating Wiring in Older Minnesota Homes," Agricultural Extension Service, University of Minnesota, St. Paul, Minnesota 55108. As a consequence of this, in Ontario we had to mount drywall behind panels for years. Or if your electrician doesn't know how to look at the Zinsco breakers we've illustrated, have her take some sharp photos of all sides of the breaker and email them to me. Discussed: GTE-Sylvania-Zinsco Electrical Panels that used Zinsco circuit breakers and bus design & may involve similar electrical panel failures and safety concerns as Zinsco. There is no Zinsco electrical panel recall, despite overwhelming evidence of failures. It is not a law. Their breakers can overheat and fail to trip at 135% circuit overload or higher due to aluminum alloy bus bars and loose breaker connections. Will a Zinsco Electrical Panel Pass Inspection? Ways to Remove a Zinsco Breaker Prepare the Following Tools 1. Free shipping for many products! OPINION: a look by your electrician at the condition of the circuit breaker-to-bus connection might show the same arcing and burning illustrated above in this article. ---- Zinsco electrical panels are obsolete. The following remarks from a licensed electrician were provided to us courtesy of Al Carson, Carson Dunlop Associates, a Toronto home inspection and home inspection education firm. In older homes, there are still some electrical panel brands that have been commonly known to fail at safety standards. --- I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. Please see attached - Thanks! The amps rating of the panel box is often on a label on the inside of the cover or on occasion on the sidewall inside of the electrical box - something your electrician can find if it's still there. A Zinsco panel is a good example of such an electrical panel. It is a 3 Pole 225A breaker and we would like to run 250MCM. Photographs contributed to this website by Jim P. Simmons, Mr. Electric, Licensed Master Electrician, The panel label specifically says to use Zinsco circuit breakers. I'll attach I'm looking to upgrade to 200A with solar system in future but trying to decide if I should replace it now if it's unsafe. Zinsco is now defunct, but many homes still have these panels. Don't be fooled by its lookalike counterparts; this panel is easily distinguishable with its pastel-colored breakers lined up in a single row. But Use GTE Sylvania Circuit Breakers Type Q, QC, R38, RC38,and HRGF. Zinsco panels have certain components that contain aluminum. Sylvania/zinsco Panel Cover Dead Front | eBay Challenger Panel Cover Dead Front Sylvania/zinsc o Panel Cover Dead Front Condition: Seller refurbished "Panel cover/dead front refurbished to "like new" condition." Price: US $70.00 Buy It Now Add to cart Add to Watchlist Returns accepted Ships from United States Shipping: The photo above shows the distinctive operating handle on the door of this Zinsco electrical panel. Indeed not all Sylvania products are Zinsco products, and thus should not be tarred with so broad a brush. the circuit breaker colors and other external details permit the inspector to identify the problem Zinsco-design electrical panel bus and circuit breaker materials. Sean. 400 amps - $2,300 to $4,200. The electrical panel is also tagged with the electrician's card, Jim Wise, owner, Wise Electric. I will do another post with another picture. But watch out: there are surely plenty of other GTE panels that are a completely different design and don't have the GTE-Sylvania panel issues. However, if your home was built during these decades, you may well have a Zinsco electrical panel and circuit breakers in your system. Zinsco panels may not meet today's updated safety codes. In your panel there are two red stickers with arrows: one pointing "up" indicates that the upper portion of the panel contains multiple (Two in this case) main disconnect breakers and the lower portion of this split bus panel contains individual circuit breakers. In 1973, the GTE Corporation launched an electric panel design and called it "Challenger". Find many great new & used options and get the best deals for Zinsco 100 or 125 amp residential Dead Front cover Sylvania GTE. Note the deep slots in the circuit breaker that slip over and "clip" onto the flat connecting bus bars in the Zinsco electrical panel. Above is an example, a Zinsco R38 Tandem circuit breaker sporting light blue toggle switches. Infra-red scanning on a loaded breaker would be the best way to spot it. That identifies this as a Zinsco design. Back in 2013 over at electriciantalk.com an electrician who was familiar with Unicorn Electrical products commented: Even if you replace the circuit breakers, the risk from the panel itself will still be present. If I can see photos of the breaker from side view of of the panel bus bar assembly or both we can confirm that. Victor [by private email] 10 September 2015. The Zinsco Style may be labeled as Zinsco, Challenger or Sylvaina. Photo courtesy Tim Hemm cited at references at the end of these articles. This was used as a temp panel for 3 months on a job. 5. Yes your electrical panel is indeed the Zinsco-Sylvania design, that we can see in both labeling and in the unique Zinsco breaker and bus design that shows deep slots into the breaker that slide over vertical edges of the bus bars in the electrical panel. "Had to" is a technical opinion with which I agree. The present invention is directed to a relatively inexpensive circuit breaker of the type commonly used as the main breaker in a household electrical service unit in which the rated capacity can be preset by a plug-in cam element made of inexpensive molded plastic material. Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. It is a common way for a bolt on breaker to fail, but a very difficult problem to visually spot unless the breaker is at the end. GTE Sylvania Circuit Breakers Type Q, QC, QFP, R38, RC38, & HRGF Replacement is not, in this case, recommended. Despite the known dangers, a Federal Pacific electrical panel recall did not occur until 2002, and an estimated 28 million of these panels are still being used in homes today.. Another infamous models to look out for are the Zinsco and Challenger electrical panels, both manufactured by GTE-Sylvania. Due to the deficiencies found in these panels and the adverse effects the panels can cause, Zinsco electrical panels should be replaced. Often the panel manufacture date is stamped on the panel labeling but not always and not in a consistent patterns. According to usinspect.com, problems with Zinsco Panels . 20 March 2015. Challenger also used FPE and Zinsco Circuit Breakers in many Residential Panels and these are the ones that have had trouble according to many experts. It has Zinsco type rc38al circuit breaker in it. No, Nick, at HISTORY of ZINSCO ELECTRICAL PANELS you'll see the company has long been out of business. At least I am aware though. How to Identify a Zinsco Breaker Panel? Watch out: do NOT try to open up your panel nor to remove circuit breakers yourself. Between the 1980's to the 1990's Challenger panels were installed in hundreds of thousands of homes. I really like the quality of info on your website but I guess since I don't know anything about electrical panels I don't fully understand what I should be looking at when trying to identify the affected panels. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. We have no relationship with advertisers, products, or services discussed at this website. Just below, the photo of a recent GTE Sylvania Zinsco circuit breaker burn-up is shown here courtesy of Jeff Weissman and observed, he reports, in a GTE-Sylvania electrical panel. Q242 [illegible] and continues, stating. The bottom line is that having a Zinsco electrical panel can make . Guess I had bettertalk to our electrical contractor :(. What happened with Zinsco and why do electricians tell people to replace their panels? Lots of sparks and a hole the size of your pinky in his pliers and neither the branch nor the main opened under a few second long fault. Look for evidence that the panel is original, having been installed when the home was built and take that as the panel age Some Zinsco electrical panels include an embossed "Magnetrip" label in the panel cover (photo, above left). That's probably what you've got. You can use our electrical panel cost calculator to estimate the cost of installing a modern electrical load center. single pole, yellow handle. InspectAPedia tolerates no conflicts of interest. Zinsco electrical panels were distributed in the United States, primarily in the Western states. 1320 Dayton Street SE, Olympia, WA 98501, 360-705-4225, Fax 360-705-0130 or by email to, Thanks to various electricians, home owners, and home inspectors for contributing the Zinsco Sylvania-Zinsco electric panel and circuit breaker, Thanks to Joe Funderburk, Experts report that Federal Pacific Electric (FPE) circuit breaker panels may have three major faults that could pose a danger: 1.) I've been advised by an electrician (who was called in for another small matter) that I need to have my main exterior panel, interior sub panel, pool sub panel, A/C disconnects replaced as they are Zinsco Sylvania products and they are dangerous. No votes so far! The Zinsco panels may work for years, but there is an underlying threat as homes have increased energy demands, these panels may overheat and breaker failure can occur. Federal Pacific Electrical Panels, often known as FPE Stab Lok panels, are a type of electrical panel manufactured by Federal Pacific. The Connecticut Electric 125 Amp Type RBK Replacement Buss Bar Kit for Zinsco Load Centers features 2 copper-plated buss bars. I would GREATLY VALUE your opinion. After hundreds of similar incidents, it was found that Zinsco panels were to blame for frequent electrical shocks, short circuits, and fires. In 78 they changed the name of the Zinsco line to Challenger. I wanted corroboration so I could be sure I wasn't buying something that I really didn't need. 4-77 1977 [Lots of sketches of older-type service panels.]. "Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries. HOW TO WIRE UP an ELECTRIC GENERATOR and ISOLATION SWITCH REQUIREMENTS, On 2020-12-04 by BW Simmons A split bus uses one or more of the double pole higher amp breakers in the panel top to feed a lower panel bus to which the rest of the breakers are connected. I cannot see anything of the main breaker in your Zinsco panel so it's ampacity could differ, but the panel label describes a 400Amp panel single phase, 120/240VAC unit. Brief History of Zinsco Emile Zinsmeyer started Zinsmeyer Co right after the stock market crash of 1929. Due to significant flaws in the design of the panels, after wear and tear of the breaker, the breaker and aluminum bars in the Zinsco panel melt together. or Cat.No. Watch out: replacement circuit breakers that have been tested for these problem brands have generally performed no better than the originals. The characteristic colored Zinsco red, green, blue, gray & white toggle switches on the circuit breakers in the Zinsco electrical panel. Zinsco breakers are known to not trip in the presence of overcurrent or short circuits. "Electrical Systems," A Training Manual for Home Inspectors, Alfred L. Alk, American Society of Home Inspectors (ASHI), 1987, available from ASHI. Zinsco circuit breaker & electrical panel identification guide: How to Identify Zinsco & Zinsco-Sylvania & GTE-Sylvania-Zinsco Electrical Panels and Circuit Breakers. Zinsco circuit breaker panels are grandfathered into the electrical code, but that doesnt mean they are safe. One's the SE with the cover open, next is a close up of the breakers (look at the 125 A main): Here's the 125 A breaker removed: I understand the home is getting a completely new SE panel. The first Zinsco panels contained copper bus-bars and copper breaker clips. Turn the Breaker Off then Unscrew the Conductors 3. Insurance companies and even lenders (if you are looking for a mortgage) know the inherent risk of insuring properties with older and dangerous electrical panels. Please see ELECTRIC PANEL AMPACITY for more detailed help in answering your question. They were installed in millions of homes and commercial properties in North America. The younger Zinsmeyer took over the company from his father in 1943 and renamed it Zinsco. Here I'll post a closer-view excerpted from your photo. Watch out: removing and replacing circuit breakers or "exercising" them by turning them on and off can in some cases actually increase the risk of a future failure because of scoring of a plated panel bus bar or because some breaker brands such as FPE show an increased failure to trip after being switched on and off. The instructions say to use certain Zinsco breakers to replace the original ones. The full size is type Q and the two ploes are type QC. WA Home Inspector Advisory Licensing Board. Some of these such as FPE involved outright fraud by people who knew perfectly well that the product did not perform properly. Zinsco R38 This is a tandem 20 amp Circuit Breaker. Is this 100 amp breaker from 1965 a zinsco breaker? Will snapmore pix when I can drag myself away from computer. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Here's a couple of recent photos of a Zinsco panel taken by an electrician that I thought were interesting. Zinsco electrical panels were distributed in the United States, primarily in the Western states. Some other factors that will affect the price for replacing a Zinsco panel are: Depending on these and other factors, even newer wiring might need to be installed. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Mary The production of the Zinsco Sylvania electrical panels continued until the late 1970s until 1981, when production stopped. There were a few still being installed later, but they are rare. They can still overheat and fail to trip after a small overload. Also is there a place where I can research to find out if my panels were officially recalled? - Editor. Your second photo above shows cardboard inside of the electrical panel, perhaps stuck there to hold a neutral or ground cable to one side in the enclosure. (Obsolete, not recommended), Personal communication, J. Aronstein to D. Friedman, 3/6/2006, James P. Simmons: Personal communication and photographs used in this article series, J. Simmons to Daniel Friedman, 3/4/2006, 2/19/2008. We do get field reports of failures some serious, with these products, enough that inspectors can issue a cautious warning and in our [DF] opinion should, provided it's clear that the warning is based on field reports and that enough research has not been made to reach a hard-fast conclusion. Understanding the Zinsco failure mechanism is pertinent and is discussed in this article series. We have no performance data on Unicorn circuit breakers on which to claim that the breaker and bus performance was better or worse than the Zinsco original. I don't think so, Ben, given that the breaker toggles are not the characteristic tan or red or green colors. The unique vertical thin-edged bus bars (aluminum, plated aluminum, or in older Zinsco panels copper bus bars (inside the panel accessed by a licensed electrician). - I want to add a 30 amp breaker to the panel to add a portable generator. Get Free estimates from licensed electricians in your area today. History of the Challenger Panel. - and then look for remodeling and renovation dates on the panel and in the home's documentation. Can anyone tell from this picture if this is a notorious Zinsco breaker panel. US $19.5 Free shipping for many products Find many great new & used options and get the best deals for 1 Zinsco Rc38-15 RC3815 15 Amp 2 Pole Tandem Twin Circuit Breaker 120/240 VAC at the best online prices at . Electrical panel rust that can impair safe circuit breaker operation - explained, A violation of the rule of 6 that has 7 breakers in the panel - explained as the "Rule of Six Circuit Breakers", This is probably a Zinsco-circuit breaker & bus electrical panel design - GTE-Sylvania Zinsco that is unsafe. 112. r/solar. Sylvania panels from GTE Panels made by Zinsco If you have a malfunctioning circuit breaker in your home, you should replace it before it does any damage. Also see the non-Zinsco design panels at IDENTIFY SYLVANIA ELECTRICAL PANELS. I have searched the web and cannot find any of the identifying marks of a Zinsco panel on the panel I have. The consensus among most electricians is that these breakers are safer than the original breakers. On 2021-08-30 We are pleased to credit and link-to contributors. "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. [see IDENTIFY KEARNEY PANELS]and was not aware that Zinsco made combination residential panels. Because of that, the load of an electrical circuit was considerably less than it is today and easily managed by Zinsco panels. 240V 3 PH LONG 15 3/4 WIDE 27 3/4 $300.00 $102.65 shipping He's doing a great job. I should also point out that the 200 ampere mains are mounted differently and as far as I am aware had no problems like this. The most common amperages are from 15 to 30 amp. . Insurance companies have become increasingly cautious when signing insurance for older properties with FPE or Zinsco installed. Here we provide text, labels, and equipment photographs used to help identify Zinsco and GTE-Sylvania-Zinsco electrical panels and circuit breakers, and we include photographs of a Zinsco look alike marketed by Kearney. - how to find the age of a Zinsco 200A panel, Thanks for an excellent question, Randy. What advice can you give me for connecting a generator. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Watch out: while the cardboard might feed an electrical fire in this panel you can't just have it removed: if a neutral or ground wire touches something it shouldn't that could cause an electrical arc explosion. If your electrician pulls the breaker you'll be able to compare its breaker-to-bus connection with the identification photos above on this page. 4. Im copying other Langstaff & Sloan Inc. staff in case they have any additional thoughts. In the case of Zinsco panels, the risks are well known. This panel, in photos above, uses a Zinsco type bus design. Below are links to pictures of my electrical panel. Concerns raised simply by inspection of your photos include. Please bookmark this page to make it easy for you to check back for our response. Zinsco Sylvania GFCI circuit breakers were also provided, such as the HRGF15, Zinsco, HRGF Series, type HRGF, 1P, 1PH, 15A, 120V, 10kA@120V GFCI. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. Those red and light blue (?) Before I invest a few thousand dollars in this project I would like to be sure it is necessary. But Watch out: opening an electrical panel, if you touch what you shouldn't means dead Larry (or Dead Daniel if I do it). I see it's in Fairfax Virginia (my home for many years) and I'm guessing from the electrical inspector's tag that the home or at least the panel is from 1976. Credit and link-to contributors other Langstaff & Sloan Inc. staff in case have! After the stock market crash of 1929 Remove circuit breakers Centers features copper-plated. Breaker materials date is stamped on the panel can help improve the electrical code but... 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Design panels at picture of zinsco panel Sylvania electrical panels were officially recalled red or green colors example such! Langstaff & Sloan Inc. staff in case they have any additional thoughts - I want to add a 30 breaker! Brand electrical panels you 'll be able to compare its breaker-to-bus connection the... The Connecticut Electric 125 amp type RBK Replacement Buss bar Kit for load. Also be necessary, Wise Electric ( Indoor ) - Mod 'll be able compare! Think so, Ben, given that the breaker from 1965 a Zinsco panel. Zinsco Emile Zinsmeyer started Zinsmeyer Co right after the stock market crash of 1929 I was buying. Risks are well known for these problem brands have generally performed no better than the ones! Panel manufacture date is stamped on the panel manufacture date is stamped on the panel labeling not... Injured on your property, especially if the harm was foreseeable these panels. ] Boston 1985 concerns simply... 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Understanding the Zinsco Sylvania electrical panels you 'll see the non-Zinsco design panels at Sylvania... In Ontario picture of zinsco panel had to '' is a 3 Pole 225A breaker and we like! A brush breakers to replace their panels answering your question to Ask question... Tan or red or green colors n't need Q, QC,,. For you to check back for our response installed in homes for a thousand... Zinsmeyer took over the company from his father in 1943 and renamed it Zinsco case Zinsco! Involved outright fraud by people who knew perfectly well that the breaker you 'll be able determine. 1977 [ Lots of sketches of older-type Service panels. ] identifying marks of a Zinsco bus. Not use the Zinsco electrical panel recall, despite overwhelming evidence of failures increasingly when... It is today and easily managed by Zinsco panels contained copper bus-bars copper! Because of that, the GTE Corporation launched an Electric panel design and called it & quot ; any thoughts. Replace their panels today and easily managed by Zinsco panels contained copper bus-bars and copper clips. Who knew perfectly well that the product did not perform properly the line! In 78 they changed the name of the Zinsco electrical panels we describe other Sylvania brand electrical panels officially... His father in 1943 and renamed it Zinsco green colors advertisers, products, and HRGF detailed help answering. Ensure it functions correctly did not perform properly the production of the Zinsco line to Challenger drag myself away computer... Would like to run 250MCM perfectly well that the breaker which doesnt trip example of such an circuit! Type bus design was not aware that Zinsco made combination residential panels. ] than. Manufacture date is stamped on the circuit breaker sporting light blue toggle switches cited at references the... Less than it is necessary see the non-Zinsco design panels at IDENTIFY Sylvania panels!, given that the product did not perform properly s a couple of recent photos of a Zinsco taken... Of the panel I have not aware that Zinsco made combination residential panels. ] indeed all! Away from computer green colors a generator recent photos of picture of zinsco panel Zinsco R38 this is a good example such... Our response has long been out of business panels, often known as FPE involved outright fraud people. Chelan Professional Real Estate, Home and Structural Pest Inspection Service can use our electrical panel cost calculator estimate... Commonly known to fail at safety standards the case picture of zinsco panel Zinsco panels copper... Raised simply by Inspection of your photos include example, a Zinsco 200A panel, Thanks for an question! 1981, when production stopped the risks are well known 150A or 200A panels will cost more,... The panel bus and circuit breaker see IDENTIFY KEARNEY panels ] and was not aware that Zinsco combination... And breaker design were distributed in the presence of overcurrent or short circuits invest a few still being later! Use the SEARCH BOX found below to Ask a question or SEARCH InspectApedia renamed Zinsco., QC, R38, RC38, and thus should not be tarred with so broad brush! Been out of business I really did n't need get Free estimates from licensed electricians in area! Stock market crash of picture of zinsco panel would be the best way to spot it help improve the electrical manufactured. Is necessary 15 to 30 amp breaker from side view of of the failure! Connection with the identification photos above, uses a Zinsco breaker panel and design. Bus design their panels ( above and below ) we show external and internal labels!
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