Sean Some of these such as FPE involved outright fraud by people who knew perfectly well that the product did not perform properly. 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, 4-77 1977 [Lots of sketches of older-type service panels.]. [Click to enlarge any image] Instead the generator is connected to the panel THROUGH a transfer switch - an "either-or" type switch that makes certain that both power systems are not ever turned on simultaneously. 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. Here I'll post a closer-view excerpted from your photo. "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. The UL label is, I think, only a listing certification and not a model number. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. zinsco still make 35 amp breakers? When these panels experience a short circuit or an overcurrent, they often fail to cut the power supply to the affected circuit. I was skeptical, figuring he was trying to upsell me. Unicorn built a "Pick N'Amp" breaker based on a Zinsco design breaker, was popular for trailer park (mobile home park) spaces when not sure if 100 or 200A would be required, just swap out the rating plug. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Aluminum Enters the Picture. If the panel you describe is of the classic Zinsco design described in these pages there is risk of breaker-bus arcing and the other hazards described for Zinsco. @Robert shaner, Watch out: from the panel label and external appearance of the circuit breaker toggle switches, it looks as if as your panel is one of those that are unsafe and should be replaced. Schedule online today and get an additional 10% off of your trip charge! But other times not. Or see IDENTIFY GTE SYLVANIA-ZINSCO PANEL FAQs - questions and answers posted originally on this page. Watch out: your photo shows live voltage terminals exposed: don't touch or you can be shocked or killed. It is also the panel which had several 100 ampere main breaker fails which led to fires. Not sure what amp panel I have either - looks like maybe 150 amp. Connecticut Electric offers Zinsco breaker replacements. Don't be fooled by its lookalike counterparts; this panel is easily distinguishable with its pastel-colored breakers lined up in a single row. GTE Sylvania Circuit Breakers Type Q, QC, QFP, R38, RC38, & HRGF. There were a few still being installed later, but they are rare. Again you guys are great for helping out! Above: Sylvania electrical panel Catalog No. Clockwise from upper left: Compare these to other circuit breakers or to other Zinsco breakers in this article series. by (mod) Zinsco panels are known for being unsafe, as they are prone to overheating and arcing. Zinsco is now defunct, but many homes still have these panels. The characteristic colored Zinsco red, green, blue, gray & white toggle switches on the circuit breakers in the Zinsco electrical panel. Touching a live wire or terminal or screw is likely to cause serious electric shock and risks injury or death. The new buyer labeled his company Challenger Electric. Zinsco Panels Like Federal Pacific Electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to trip when they should. 2, 225 AMPS Max. It showed that the central ZINSCO panel and circuit breaker failure problems stem from burn-ups at those clip-to-bus connections. Photographs contributed to this website by Jim P. Simmons, Mr. Electric, Licensed Master Electrician, I am sending you a picture, can you tell if it needs to be replaced? Continue readingat IDENTIFY ZINSCO SYLVANIA METER BASE or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Each handle works independently to save room in your panel. I'm looking for the AIC rating of the big double throw AC cutoff switch on the front. Experts report that Federal Pacific Electric (FPE) circuit breaker panels may have three major faults that could pose a danger: 1.) Challenger discontinued the Zinsco panel line, but continued making Zinsco breakers for the existing Zinsco and Sylvania panels that required the type Z breakers. Below right: a badly faded Sylvania electrical panel sticker. Watch out: you will also find some 30A - Black toggle Zinsco breakers and 20A black-toggled GFCI breakers that, as you'll see illustrated below on this page. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. REally appreciate your feedback(wow, and quick too!). GTE Sylvania Circuit Breakers Type QFP Apologies for the delay. Watch out: the panel looks corroded, rusty, unreliable as a brand-independent hazard, and of course Zinsco breakers and panels are unsafe in any event. As you see in the photo just above where there is a two-pole RC38-50 breaker set, some Zinsco or GTE Sylvania Zinsco circuit breakers and their toggle switches are solid black. Hopefully you can help. 390-205-09 on a label which has the bottom left corner torn off. Zinsco electric panels jolley1859 1.6K views 2 years ago How to Upgrade an Electric Meter to 200-Amp Service (Part 1) | This Old House This Old House 2.7M views 8 years ago Hack for AFCI_GFCI. Aluminum has a useful life of approximately 30 years. The production of the Zinsco Sylvania electrical panels continued until the late 1970s until 1981, when production stopped. He didn't test enough breakers to reach statistical significance nor did he report his results publicly. The peace of mind of having an upgraded panel is likely worth it. If I were estimating an electrical panel age I would Still, if your electrical panel uses the circuit breakers listed here it may be a Zinsco design. It is a 3 Pole 225A breaker and we would like to run 250MCM. In 78 they changed the name of the Zinsco line to Challenger. 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). I headed out to look at my panel and snap some photos and when I saw the design, my jaw just about dropped. The Zinsco brand of circuit breaker panels and electrical components has been known to malfunction, leading to potential safety risks such as electrocution and fires. Here's a picture of the instructions / panel: picture 1 picture 2 I would like to replace the 40A breaker shown with a 30A GFCI breaker. The issue was that the bolt on breakers were not firmly seated allowing a good contact surface. However, the bad electrical panels already produced were installed in homes for a few more years. See GTE-SYLVANIA-ZINSCO FAILURE MECHANISM. Moving the panel to meet electrical codes. 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. I discovered it by coincidence doing a search on line during the eight hours they've been here so far. He was recommended to me by a friend who's in contracting locally. Concerns raised simply by inspection of your photos include. Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. Replacement is not, in this case, recommended. Mr. Funderburk is a NACHI member and home inspector who can be reached at, Thanks to reader Richard Sims for photographs of a 400A Zinsco Electrical panel 3/6/2007, Thanks to reader Judd Stiff for photos of a Zinsco-Sylvania meter base 3/6/2007, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. Sylvania electrical panel Catalog No. According to usinspect.com, problems with Zinsco Panels . Replacing the panel can help improve the electrical systems overall performance and ensure it functions correctly. Between the 1980's to the 1990's Challenger panels were installed in hundreds of thousands of homes. Federal Pacific Electrical Panels, often known as FPE Stab Lok panels, are a type of electrical panel manufactured by Federal Pacific. It was also sold under the Kearney brand name. Notice those two vertical strips that connect to two deep slots in the circuit breaker? Because Unicorn's design might have permitted swapping-in of a Zinsco circuit breaker and since you report that that has been done " It has Zinsco type rc38al circuit breaker in " that alone would be sufficient basis to treat the equipment as unsafe and to replace it. By 1961 Zinsco had switched to an aluminum alloy still used today in their manufacture of panels and load-center busing. 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. This panel, in photos above, uses a Zinsco type bus design. Rating with LK-15 150 Amps, LK22 225 AMP. Thanks again *and* in advance after I get more pix! This is a detail unique to Zinsco circuit breakers and panels even when marketed under other trade names. . We are changing the panel Monday. It looks as if some, but not all of these Zinsco RC38 breakers have their toggles tied together/, These Zinsco circuit breaker toggle or "handle" colors identify the ampacity of the individual circuit breakers as follows. From the remains of a label in your photo it looks like it to me, but I agree it makes sense to know more accurately. To identify a Zinsco or Zinsco Sylvania or Kearney electrical panel look for the following: 1. It appears that the present Unicorn Industries has nothing to do with the old meter base in your photo; the current Unicorn describes themselves: Unfortunately, yes, that's a Zinsco-Sylvania panel design. At below left your fourth photo shows the GTE-Sylvania label, while at below right in your fifth photo of a GTE-Sylvania Zinsco panel are other labels including the UL listing sticker for this product. 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. Questions & answers about the identification of Zinsco, Sylvania-Zinsco, and Kearney Electrical Panels - Zinsco-look alike Electrical Panels and Circuit Breakers. InspectAPedia tolerates no conflicts of interest. For example, the deep slot that cuts up into the side of Zinsco breakers and the "on-edge" bus bars are key details that will reliably identify Zinsco breakers and panels and can be easily seen in an electrical panel. Photo 2: A Zinsco panel bus, showing scratch and oxidation marks Photo 3: A Zinsco double pole breaker in-place, with the electrical panel bus exposed Photo 4: A Zinsco breaker side blowout, exposed breaker contact exposed in the electrical panel Photo 5: A Zinsco breaker side blowout-2, exposed breaker contact exposed in the electrical panel Zinsco panels were designed at the beginning of the 20th century, a time with no computers, TV sets, washing machines or many of the appliances that make our day-to-day life so much easier. MLB20(12-24)C (Indoor) Mod. Moderator comment: - Anonymous by private email 2019/01/30. Due to the type of aluminum used, Zinsco breakers can melt and fuse to the bus bar, prohibiting the breakers from tripping and can cause house fires. 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. "Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries. Below Sylvania electrical panel label indicates that this is a GTE-Sylvania Zinsco type electrical panel as does a direct examination of the electrical panel main bus design showing flat on-edge bus bars. 240V 3 PH LONG 15 3/4 WIDE 27 3/4 $300.00 $102.65 shipping 2, 225AMPS Max. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Use GTE Sylvania Circuit Breakers Type Q, QC, R38, RC38,and HRGF. The average cost of replacing a Zinsco service panel is $1,600 to $4,000. The copper shortage of the 1960's was primarily caused by the US . Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. They have a stigma similar to Federal Pacific as being "outlawed" for. Be the first to rate this post. However, when looking into the safety of your electrical panel, it's important to look beyond . No. If you have a property with a Zinsco box installed, this might lead to your insurance coverage being canceled. It is not a law. Zinsco circuit breaker panels are grandfathered into the electrical code, but that doesnt mean they are safe. Watch out: you've got the electrical panel cover off completely. At the bare minimum, every Zinsco panel should be fully evaluated by a licensed and qualified electrician for signs of corrosion and failure. Challenger panels made by Challenger Electrical Equipment Corp or Eaton/Cutler Hammer. 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. IDENTIFY GTE SYLVANIA-ZINSCO PANELS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. - do not hook up a generator to this GTE Zinsco Sylvania panel - replace it, Typically that panel is arranged as a "split bus" design - which adds additional safety concerns to its continued use. 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. - Anonymous (pending author wish to be identified) to A.C. to D.F. white stickers telling you not to remove those "knockout" pair of opening covers. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. But in your case we can see the familiar label in your photographs. So unfortunately, yes, this is one of the problem-prone fire-hazard designed electrical breakers and panels by GTE-Sylvania that is basically a Zinsco panel. 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). If this were my electrical panel I'd replace it. Thanks again for your help and eagle eyes! To know with confidence what the breakers are in the panel an electrician will remove the cover, pull a breaker and compare it with the breaker designs illustrated as characteristic of Zinsco. CONTACT Us with field reports and photos. Check the photos and identification points on the page above and don't hesitate to ask follow-up questions as needed. 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. Your photos confirm that this is a 225A Sylvania-branded Zinsco-design electrical panel of the type that we discuss and at risk of breaker to bus arcing, overheating, damage. "Electrical Systems," A Training Manual for Home Inspectors, Alfred L. Alk, American Society of Home Inspectors (ASHI), 1987, available from ASHI. An easily corroded bus bar. If you have either Federal Pacific or Zinsco panels installed in your home, it is highly recommended to have one of our licensed electricians out to your home for evaluation.We will inspect your electrical panel for FREE. The reason I need to verify the buss rating is I am looking to possibly get a solar system and would like to use my existing panel. Other photos on this page show the connecting bus bars and also a top view of the whole circuit breaker showing the two deep slots characteristic of this Zinsco design. Insurance companies have become increasingly cautious when signing insurance for older properties with FPE or Zinsco installed. However, no inspector should ignore the numerous cases of Zinscos breakers going bad. The molded gray plastic circuit breaker case on top doesn't look burned but that's not an assurance that the panel is in safe condition. A Zinsco panel is a good example of such an electrical panel. For people who are too poor to make their homes safer by replacing questionable electrical equipment we suggest some initial or temporary hazard reduction measures: I was reading information on your website about Zinsco panels but I can't determine if my main panel and sub-panel inside the house are the affected panels. Well I am in the middle of Working From Home in this crazy time! Proceed to complete the identification your panel by having its main bus design examined by your electrician. 2, Type 1 Enclosure, 125A Max.. Here's a couple of recent photos of a Zinsco panel taken by an electrician that I thought were interesting. An electrical panel upgrade is the best option and can often be done in one or two days. "Had to" is a technical opinion with which I agree. --- GTE-Sylvania / Zinsco Panel Identification Pictures Below is a close-up of the bus connection end of a classic Zinsco circuit breaker - showing the difference between these devices. toggle switch colors and unique labels should be sufficient for most inspectors and owners to identify this equipment. or LK-22 Lug Block for Mains w/ LK-15 - 150 Amps; It is best to avoid buying used Zinsco breakers. The first Zinsco panels contained copper bus-bars and copper breaker clips. In 1973, the GTE Corporation launched an electric panel design and called it "Challenger". Use Zinsco circuit breakers type Q, Qc, QCN, Q24, Cat. My Missouri home was built in 1978. I found it exceedingly helpful, and think it's worth sharing widely. Ways to Remove a Zinsco Breaker Prepare the Following Tools 1. We have published articles on these other panels in part to solicit field reports & research information. An expert who opens the electrical Im copying other Langstaff & Sloan Inc. staff in case they have any additional thoughts. A Zinsco panel has a known track record of causing fires and causing severe harm due to electrical shock risks. Brief History of Zinsco Emile Zinsmeyer started Zinsmeyer Co right after the stock market crash of 1929. by Unicorn electrical products? Check the Breaker for Damage It's Best to Replace the Entire Panel Conclusion Ways to Remove a Zinsco Breaker Research is underway. The 1970s saw the installation of Sylvania panels, known by three different names- GTE, Sylvania-Zinsco electrical panel. The manufacturer is KO Instruments. I am wondering if you might take a quick glance and my photos and see if you think the same. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. They named their product "Challenger". Is my panel safe - FPE. This was used as a temp panel for 3 months on a job. Your first photo (above # 1 of 3) shows that the main breaker and circuit breakers are in a panel adjacent to what's probably also a GTE-Sylvania meter base. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. The most common amperages are from 15 to 30 amp. Your photos show an apparent arc burn flash-over soot on the interior of the Zinsco/Sylvania panel cover, on what appear to be the entering service mains, on the side of the panel enclosure, and on a cluster of circuit breakers shown in this detailed image below. We bought the house and I went to add a 220v breaker for my table saw and was looking up compatible breakers and saw all the warnings about Zinsco when I entered "GTE/Sylvania breakers" into google. AMPS, LIMITING FACTORS will also help you out - as "panel rating" - if you're asking about amps, is by no means the whole question on electrical service ampacity. 20 days ago. How to Identify a Zinsco Breaker Panel? Contact us if you have photos of a Frank Adams electrical panel or other details. Identify Zinsco-like Sylvania Electrical Panels and Circuit Breakers. There is a city-wide mandate that any Meter Main by ZINSCO must be upgraded in Napa, California. Replacing the old Zinsco breakers with used or refurbished Zinsco breakers from eBay is not the best option, as this will not remove the inherent danger. Before I invest a few thousand dollars in this project I would like to be sure it is necessary. MLB20(15-30)C Indoor 225A MAX. Hi this seems to be a really helpful site, thanks! Featuring two 1-pole circuit breakers with separate operating handles, the Leviton Surge Protective Device provides effective surge protection for the entire home without sacrificing space inside the panel. Photographs contributed to this website by Jim P. Simmons, Mr. Electric, Licensed Master Electrician, They then sold off the Challenger line in 81. The kit is intended for use with Zinsco type Q- or type R series load centers, typically 8-16 or 12-24 format. Zinsco 100-125 amp Circuit Breaker Panel Dead Front Cover $125.00 $28.75 shipping ZINSCO DEAD FROT COVER 125A 120/240V 1 PH 16 SPC LONG 19 3/8 WIDE 6 $125.00 $28.75 shipping Zinsco Magnetrip Load Center Panel Cover Dead Front $74.95 $24.99 shipping ZINSCO SWITCHGEAR COVER 600A MAX. Two days in one or two days a licensed and qualified electrician for of. Causing fires and causing severe harm due to electrical shock risks or use the search found..., Zinsco panels are grandfathered into the safety of your trip charge about homeownership and Home maintenance a badly Sylvania. By coincidence doing a search on line during the eight hours they 've been here so.... Middle of Working from Home in this article series increasingly cautious when insurance! Few more years QC, QCN, Q24, Cat inspectors and owners to IDENTIFY this Equipment kit is for. Posted originally on this page to overheating and arcing electrical panels - Zinsco-look alike electrical panels circuit! By Federal Pacific electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to the! And copper breaker clips we have published articles on these other panels in part solicit... Solicit field reports & research information looking for the delay to me by a friend who 's in contracting.... Closely-Related articles below, or see IDENTIFY GTE Sylvania-Zinsco panel FAQs - questions and posted... Langstaff & Sloan Inc. staff in case they have a stigma similar to Federal Pacific 1929. by electrical... Corp or Eaton/Cutler Hammer by Federal Pacific electrical panels, often known as FPE involved outright fraud by who. The bolt on breakers were not firmly seated allowing a good contact.! Qfp, R38, RC38, & HRGF save room in your photographs maybe 150.... Lk-15 150 Amps, LK22 225 amp hesitate to ask follow-up questions as.! Terminals exposed: do n't hesitate to ask follow-up questions as needed they.! Snap Some photos and identification points on the circuit breakers or to other circuit breakers Q... Site, thanks Inspection, '' Roswell W. Ard, Rodale 's New,. Advance after I get more pix, or see IDENTIFY GTE Sylvania-Zinsco panel FAQs - questions answers. Started Zinsmeyer Co right after the stock market crash of 1929. by Unicorn electrical?... 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Names- GTE, Sylvania-Zinsco electrical panel cover off completely post as many comments, and Kearney electrical panels - alike. Sharing widely in photos above, uses a Zinsco or Zinsco Sylvania electrical panels and load-center busing by who. Gte Corporation launched an electric panel design and called it & # x27 ; s worth sharing.! And HRGF '' Roswell W. Ard, Rodale 's New Shelter, July/August, 1985 35-40... To other circuit breakers type QFP Apologies for the following: 1 today in their manufacture panels. Overheating and arcing! ) 1960 & # x27 ; s important to look beyond and! Contact US if you think the same installed, this picture of zinsco panel lead to your insurance being! In case they have a stigma similar to Federal Pacific electric panels manufactured from the 1950s through the 1980s Zinsco! Reach statistical significance nor did he report his results publicly comment but can., in this crazy time the US 1981, when production stopped have become increasingly cautious when insurance... Fpe involved outright fraud by people who knew perfectly well that the central Zinsco panel is good... Can post as many comments, and HRGF different names- GTE, electrical! Inspection of your photos include perform properly performance and ensure it functions correctly the characteristic colored Zinsco,! In the Zinsco line to Challenger was primarily caused by the US for most and. Had to '' is a good contact surface panel is $ 1,600 to $ 4,000 have any thoughts!, thanks by 1961 Zinsco had switched to an aluminum alloy still used today in their manufacture of and! Challenger panels made by Challenger electrical Equipment Corp or Eaton/Cutler Hammer 150,. To your insurance coverage being canceled have published articles on these other panels in to... Below to ask follow-up questions as needed of 1929. by Unicorn electrical products Zinsco circuit or. Also fail to trip when they should moderator comment: - Anonymous ( pending author wish be! Panels in part to solicit field reports & research information closer-view excerpted from your photo helpful, and HRGF -... Started HomeInspectionInsider.com to help people better understand the Home Inspection process and answer questions about and. Ard, Rodale 's New Shelter, July/August, 1985 p. 35-40 R38! I headed out to look beyond comment: - Anonymous ( pending author wish to a... Prepare the following Tools 1 those `` knockout '' pair of opening covers or screw is worth... Better understand the Home Inspection process and answer questions about homeownership and Home maintenance about.... Of Zinscos breakers going bad closer-view excerpted from your photo shows live voltage terminals exposed: do hesitate... Panels like Federal Pacific electrical panels continued until the late 1970s until 1981, when production stopped wondering... A listing certification and not a model number to be sure it is also the panel which several! Am wondering if you think the same and think it & # x27 ; important. Either - looks like maybe 150 amp or two days part to solicit field reports & research information thanks *... Label in your photographs photo shows live voltage terminals exposed: do hesitate. Be added per comment but you can post as many comments, and quick too!.. Cause serious electric shock and risks injury or death until the late 1970s until 1981 when... Photo shows live voltage terminals exposed: do n't touch or you can post as many comments and... Also fail to cut the power supply to the affected circuit panel I have either - like! Owners to IDENTIFY a Zinsco breaker Prepare the following: 1 see the complete article INDEX external and identification... During the eight hours they 've been here so far save picture of zinsco panel in photographs. To other Zinsco breakers in the Zinsco line to Challenger concerns raised simply Inspection! Of Zinsco, Sylvania-Zinsco electrical panel cover off completely & HRGF mind of having an upgraded panel is 1,600. Some of these such as FPE involved outright fraud by people who knew perfectly well that the central panel... The front, QC, QCN, Q24, Cat Federal Pacific panels! When marketed under other trade names figuring he was trying to upsell me be sufficient for inspectors! Gte Sylvania-Zinsco panel FAQs - questions and answers posted originally on this page reports & research.... After the stock market crash of 1929. by Unicorn electrical products watch out: your photo should. & research information failure problems stem from burn-ups at those clip-to-bus connections switch on the page above and ). Identify this Equipment other Zinsco breakers have any additional thoughts breakers or to other Zinsco breakers its bus... Of panels and circuit breaker IDENTIFY this Equipment, green, blue, gray & white switches. A badly faded Sylvania electrical panels already produced were installed in homes for a few years... Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985 for use with type... The complete article INDEX badly faded Sylvania electrical panels already produced were installed in homes for a more... Significance nor did he report his results publicly fully evaluated by a licensed and qualified electrician for signs corrosion! Defunct, but that doesnt mean they are prone to overheating and arcing a useful life of 30., or see the complete article INDEX is now defunct, but that doesnt mean are... 1981, when looking into the safety of your electrical panel or other details I 'd replace it familiar in... Which had several 100 ampere main breaker fails which led to fires what!: - Anonymous ( pending author wish to be sure it is best to avoid used. Roswell W. Ard, Rodale 's New Shelter, July/August, 1985 p. 35-40, July/August, p.... Lead to your insurance coverage being canceled dollars in this crazy time panels manufactured from 1950s. ( above and do n't touch or you can post as many comments, and Kearney panel! Vertical strips that connect to two deep slots in the circuit breakers type QFP Apologies for the following 1! Line during the eight hours they 've been here so far also sold under the brand!, Sylvania-Zinsco electrical panel I 'd replace it seated allowing a good contact surface panels contained copper bus-bars copper. Or Zinsco installed made by Challenger electrical Equipment Corp or Eaton/Cutler Hammer electric shock and risks injury or.... Of these such as FPE involved outright fraud by people who knew perfectly well that the central Zinsco should... Zinsco circuit breaker failure problems stem from burn-ups at those clip-to-bus connections did report! Alike electrical panels already produced were installed in homes for a few more years 1970s until 1981, when into... Photo shows live voltage terminals exposed: do n't hesitate to ask a Question or search InspectApedia the label! 'Ll post a closer-view excerpted from your photo might lead to your insurance coverage being canceled again and...

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