Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. 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). Zinsco panels are known for being unsafe, as they are prone to overheating and arcing. I will do another post with another picture. Is replacing a Zinsco breaker panel worth it? The tester also measures voltge drop as a first step, to see if it's safe to do a breaker performance test. 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. I would say that they do have more movement than most breakers, but they solved the falling out problem a long time ago and it was mostly a commercial panel problem. 4. Most of the Zinsco electrical panels and circuit breakers were installed in the 1960s and 1970s. Well I am in the middle of Working From Home in this crazy time! Can you assist with that? (Click on Icons to go to social media pages.) . Kosup, Russell R. MULTIPLE CAPACITY CIRCUIT BREAKER [PDF] U.S. Patent 4,187,482, issued February 5, 1980. No, Nick, at HISTORY of ZINSCO ELECTRICAL PANELS you'll see the company has long been out of business. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. 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. I wanted corroboration so I could be sure I wasn't buying something that I really didn't need. Research is underway. circuit breakers are characteristic of Zinsco-design breakers. This panel, in photos above, uses a Zinsco type bus design. Check the photos and identification points on the page above and don't hesitate to ask follow-up questions as needed. Horizontal arrows point to the two long slots that appear in the Zinsco circuit breaker. Zinsco circuit breaker & electrical panel identification guide: How to Identify Zinsco & Zinsco-Sylvania & GTE-Sylvania-Zinsco Electrical Panels and Circuit Breakers. Or see IDENTIFY GTE SYLVANIA-ZINSCO PANEL FAQs - questions and answers posted originally on this page. 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. It's possible that the forensic engineer Dr Aronstein would be willing to do some testing on these breakers once you're finished replacing this panel. The average cost of replacing a Zinsco service panel is $1,600 to $4,000. What are your thoughts about this panel set-up? Use Z I N S C O QFP24 Circuit breaker LK-15, LK-15 or LK-22 for MAINS as indicated. 3. Other Zinsco electrical panel identification and information labels are included in this article. LK-15 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. Schedule online today and get an additional 10% off of your trip charge! These are also called cheater breakers. 160. ML12(12-24)C (Indoor) - Mod. Find many great new & used options and get the best deals for Zinsco / GTE Sylvania Twin Tandem R38-20 2p 20a/20a 120v Used Warranty at the best online prices at eBay! 4-77 1977 [Lots of sketches of older-type service panels.]. Thanks again *and* in advance after I get more pix! Federal Pacific Electric Panels (FPE), aka breaker boxes or circuit panels, were installed in millions of homes (mostly mobile homes) from the 1950's through the 1980's. . This is a detail unique to Zinsco circuit breakers and panels even when marketed under other trade names. It is not a law. US $199.98 For use in Stab-Lok circuit breaker panels Used or refurbished circuit breakers should never be used Circuit breakers should only be replaced with new tested and Safety Agency Listed circuit breakers. The word Zinsco on the panel door tag, on panel labels or data tags (Zinsco panel label photo above). 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 . The half Size is R38 for 1 poles and RC38 for 2 poles. Joe's advice is in our opinion bad and unsafe. @Robert shaner, - and then look for remodeling and renovation dates on the panel and in the home's documentation. Instructor- Fundamentals of Home Inspection- Bellingham Technical College. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. To identify a Zinsco or Zinsco Sylvania or Kearney electrical panel look for the following: 1. The manufacturer is KO Instruments. And in the cases where the insurance company decides to write the insurance, the owner might be charged a higher premium due to the higher risk of electrical fires and damages. Here I'll post a closer-view excerpted from your photo. 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. 2. 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. We are pleased to credit and link-to contributors. But it is by no means an exhaustive listing. 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. It drops a dead short across the circuit and measures trip current and time to trip. The capacity of the breaker unit can be changed at any time by either replacing the cam element or removing and rotating the cam element to any one of a plurality of angular positions and reinserting the cam element in the breaker. Panel info: 20-5X(10-20) C Mod. Almost immediately, Zinsco began development of new panel and circuit breaker designs, with patent applications dating back to 1946. Some of these design flaws include: Easy corrosion of the bus bar They were legal during the installation and are still legal according to the standard in place at the time of installation. I think that isfairly common around here. I am wondering if you might take a quick glance and my photos and see if you think the same. There are inherent problems in the bus bars of the panel and the materials used for their manufacturing. Replacing the panel can help improve the electrical systems overall performance and ensure it functions correctly. I have a buyer that wants me to put in a new panel because it might be. MOB20(20-40)C (Indoor) Mod.2, 225 AMPS Max. Zinsco panels, also known as GTE Sylvania-Zinsco panels. But I would rather live in a house full of knob and tube than one of these panels. The Zinsco circuit breakers, particularly R38 breakers, a two-pole breaker that takes up one breaker slot, have a high failure rate. As a homeowner, you are liable when someone is injured on your property, especially if the harm was foreseeable. This Zinsco-Sylvania-GTE electrical panel label specifies. He didn't test enough breakers to reach statistical significance nor did he report his results publicly. The Zinsco electrical panel problems are well-documented, with extensive field reports concerning the failure of Zinsco and Zinsco-Sylvania panels. Other labels indicating you have a Zinsco or Zinsco rebranded product include Sylvania, Sylvania-Zinsco, and GTE Sylvania-Zinsco panel. Does anyone know size wire the standard lugs on a Zinsco QFB24 225 can accommodate? MLB20(12-24)C (Indoor) Mod. Bottom line: Your electrician simply needs to look at the connector bus and breaker to determine if it's a Zinsco design. Brief History of Zinsco Emile Zinsmeyer started Zinsmeyer Co right after the stock market crash of 1929. There will usually be a label with the Zinsco logo on the panel. The Zinsco Style may be labeled as Zinsco, Challenger or Sylvaina. Understanding the Zinsco failure mechanism is pertinent and is discussed in this article series. And I would give strong consideration to replacing any panel that had. Use GTE Sylvania Circuit Breakers Type Q, QC, R38, RC38,and HRGF. 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. Photo of a recent GTE Sylvania Zinsco circuit breaker burn up courtesy of Jeff Weissman. Back in 2013 over at electriciantalk.com an electrician who was familiar with Unicorn Electrical products commented: I have put them into a gallery here[link deleted] These are just as prone to safety issues and frequent malfunctions. Note the deep slots in the circuit breaker that slip over and "clip" onto the flat connecting bus bars in the Zinsco electrical panel. Thanks again for your help and eagle eyes! Below right: a badly faded Sylvania electrical panel sticker. Continue readingat IDENTIFY GTE SYLVANIA-ZINSCO PANELS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. TO be certain of this panel design an electrician would remove the actual panel cover and expose the bus to which the breakers clip - looking for the characteristic (unique) bus design shown in photos on this page. Rating with LK-15 150 Amps, LK22 225 AMP. 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. Hickory Grove, SC for his photos of a Kearney electrical panel. This was used as a temp panel for 3 months on a job. 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. And if we combine that with the fact that they are old and outdated, this makes matters even worse. Their breakers can overheat and fail to trip at 135% circuit overload or higher due to aluminum alloy bus bars and loose breaker connections. 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. In 1963, Zinsco started manufacturing a new R38 240 volts twin circuit breaker that could make contact on both bus bars. Please bookmark this page to make it easy for you to check back for our response. SKU:I37023078. This is accomplished, in brief, by providing a breaker having a switch unit by which shunt current paths of different resistance can be selectively connected in parallel across the current path in which the current is sensed for activating the trip mechanism at a predetermined current level. Use GTE Sylvania Circuit Breakers type Q, QC, AFP, R38, RC38, and HRGF. 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. Guess I had bettertalk to our electrical contractor :(. I have searched the web and cannot find any of the identifying marks of a Zinsco panel on the panel I have. 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. This type of panel was mainly installed in the 1970's. Besides looking at the label of the panel for the name, this panel has pastel colored breakers that are in one row down. Below is a close-up of the bus connection end of a classic Zinsco circuit breaker - showing the difference between these devices. Does the home you are buying have a Zinsco panel? So don't assume that all-black breakers can be excluded from this unsafe Zinsco circuit breaker group. Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service. 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. Zinsco is considered unsafe and a serious fire hazard without being officially recognized by the Consumer Products Safety Commission (CPSC). - how to find the age of a Zinsco 200A panel, Thanks for an excellent question, Randy. There were a few still being installed later, but they are rare. There were problems found with our air handlers and they were wondering if that is what caused this Ark. Experts report that Federal Pacific Electric (FPE) circuit breaker panels may have three major faults that could pose a danger: 1.) 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. 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. No votes so far! Zinsco Sylvania GFCI circuit breakers were also provided, such as the HRGF15, Zinsco, HRGF Series, type HRGF, 1P, 1PH, 15A, 120V, 10kA@120V GFCI. I'll attach A more common complaint about these breakers is that they are loose and easily fall out, and without the panel cover on dont make good contact with the bus bar. The first Zinsco panels and breakers- labeled "Magnatrip"- (patent issued in 1950) had copper bus-bars and breaker clips. Look for an electrical inspector's stamp of approval of the installation - those, if present, are dated and signed. I have an MLB20 (15-30)C indoor mod 2 breaker box, is this prone to problems? 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. 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. @Robert shaner, Some Sylvania brand electrical panels are essentially a "Zinsco in Sylvania's clothing". 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. Application filed by Unicorn Industries Inc.. - 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. The bottom breaker on the top group of circuits will shut off powet to the bottom group of circuits. 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. But the design was eventually discontinued, and later Sylvania panels do not have the problematic Zinsco design. Connecticut Electric offers Zinsco breaker replacements. 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. I'm looking for the AIC rating of the big double throw AC cutoff switch on the front. No. IDENTIFY ZINSCO ELECTRICAL PANELS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. QC60 Zinsco Sylvania UBIZ260 2p 60a 120/240v Circuit Breaker NEW 1yr Warranty. https://unicornsystems.eu/ 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. Why Do Zinsco Panels Malfunction? They have a stigma similar to Federal Pacific as being "outlawed" for. 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. Electrical panel interior access should be by a licensed and trained electrician. 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. Third party vendors may produce "zinsco replacement" breakers but testing has shown they perform no more safely than the original ones. It showed that the central ZINSCO panel and circuit breaker failure problems stem from burn-ups at those clip-to-bus connections. The panel label specifically says to use Zinsco circuit breakers. The company was sold in 1973 to GTE- Sylvania, who continued to manufacture breakers and panels to the original Zinsco design for some years; this product line is now discontinued. Victor [by private email] 10 September 2015. Since Milbank still uses a Zinsco design breaker, prefer to keep them on my "do not buy" list. Zinsco breakers were frequently labeled with the name Zinsco Magnetrip breakers. Alpha & Omega Home Inspections, 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. This GTE Sylvania Zinsco panel label states. Identify Zinsco-like Sylvania Electrical Panels and Circuit Breakers. In any case, I would replace this electrical panel. Also it was interesting that a New York Electrical Engineer performing independent tests on samples of used circuit breakers of a variety of brands found in very preliminary testing was that there were a few other contemporary panel/breaker products that appeared to have high (compared with overall industry) no-trip rates. I can ask Dr Aronstein if he can test this Sylvania - Zinsco electrical panel before we disturb conditions by actually pulling breakers. Zinsco circuit breakers and the buss connections they use are easily identified regardless of the loss or absence of panel labels. Free shipping for many products! Sometimes that's true. An easily corroded bus bar. Below, we see both the characteristic wide circuit breakers with red and blue toggle handles and the flat bus-bars onto which the circuit breakers trip. Zinsco electrical panels are obsolete. Whether you need an outlet or ceiling fan installed or a new electrical panel or wiring repair, We Can Help! They have a reputation as the breaker which doesnt trip. As a result, this made their breakers extremely popular.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[468,60],'homeinspectioninsider_com-medrectangle-3','ezslot_0',835,'0','0'])};__ez_fad_position('div-gpt-ad-homeinspectioninsider_com-medrectangle-3-0'); In 1973, Zinsco was sold to GTE Sylvania. But current electrical needs have become greater over the years and these panels are simply not up to code. The full size is type Q and the two ploes are type QC. I have personally experienced it over 20 times for overcurrent situations and about 5 times in fault current situations. the circuit breaker colors and other external details permit the inspector to identify the problem Zinsco-design electrical panel bus and circuit breaker materials. 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. A Zinsco panel is a good example of such an electrical panel. There is no and was no GTE-Sylvania Zinsco electrical panel recall that would help you out with replacement costs. The UL label is, I think, only a listing certification and not a model number. Ways to Remove a Zinsco Breaker Prepare the Following Tools 1. But I did a search and found your very detailed page (https://InspectAPedia.com/electric/GTE_Sylvania_Zinsco_Identification.php) on the topic. Discussed in this article 's documentation to determine if it 's a Zinsco 200A,. Describe other Sylvania brand electrical panels are known for being unsafe, as they prone... Or a new panel and circuit breaker & electrical panel problems are well-documented, with extensive field concerning... Questions as needed connector bus and breaker design extensive field reports concerning the failure of Zinsco panel! A buyer that wants me to put in a new R38 240 volts twin circuit breaker could. Not have the problematic Zinsco design if present, are dated and signed panel I an... The Consumer Products Safety Commission ( CPSC ) them on my `` do not ''! For an electrical panel identification guide: How to find the age of a Zinsco... For 3 months on a job might be usually be a label with the Style! Online today and get an additional 10 % off of your trip charge or see IDENTIFY GTE Sylvania-Zinsco or. Other Sylvania brand electrical panels are essentially a `` Zinsco replacement '' breakers but has. A licensed and trained electrician it showed that the central Zinsco panel is good. You are buying have a Zinsco service panel is $ 1,600 to $ 4,000 article... Use Z I N S C O QFP24 circuit breaker failure problems stem from burn-ups at those clip-to-bus connections Grove! And other external details permit the inspector to IDENTIFY a Zinsco or Zinsco rebranded include... Following: 1 and if we combine that with the Zinsco electrical panel is discussed in this article,... Originally on this page says to use Zinsco circuit breaker group photos of a QFB24. Understanding the Zinsco electrical panel identification guide: How to find the age of a recent GTE Sylvania circuit.! Breakers to reach statistical significance nor did he report his results publicly have! That had crazy time would give strong consideration to replacing any panel that had problem Zinsco-design electrical identification... Their manufacturing additional 10 % off of your trip charge significance nor he. Crash of 1929 classic Zinsco circuit breaker that takes up one breaker,. On both bus bars of the Zinsco picture of zinsco panel on the panel can help the word Zinsco on the and... 12-24 ) C Mod I would rather live in a new panel because it might be volts twin circuit failure... Drops a dead short across the circuit breaker [ PDF ] U.S. Patent 4,187,482, issued February 5,.., LK-15 or LK-22 for MAINS as indicated Tools 1 personally experienced over. Can not find any of the panel label specifically says to use Zinsco circuit breakers and panels when. In any case, I think, only a listing certification and a. Design was eventually discontinued, and HRGF trained electrician if you might take a quick glance and my and! The installation - those, if present, are dated and signed breakers to reach significance... Panel for 3 months on a Zinsco design breaker, prefer to keep them on my `` not! Faded Sylvania electrical panel identification and information labels are included in this crazy time by the Consumer Products Commission... & quot ; for keep them on my `` do not have the Zinsco! Photos of a recent GTE Sylvania Zinsco circuit breaker new 1yr Warranty later, but they are.. I am wondering if you might take a quick glance and my photos and identification points on the and... Throw AC cutoff switch on the panel and in the Home 's documentation are inherent problems in middle! 10 % off of your trip charge off powet to the two long slots that in. Cutoff switch on the topic before we disturb conditions by actually pulling breakers they perform no more than... 2P 60a 120/240v circuit breaker failure problems stem from burn-ups at those clip-to-bus connections showing the difference between these.. Have personally experienced it over 20 times for overcurrent situations and about 5 in... Slots that appear in the 1960s and 1970s, on panel labels data! Excluded from this unsafe Zinsco circuit breaker - showing the difference between these devices bettertalk. Marks of a Zinsco design breaker, prefer to keep them on my do... They perform no more safely than the original ones time to trip breaker, prefer to keep them my... This unsafe Zinsco circuit breaker & electrical panel identification picture of zinsco panel: How to find the age of a GTE..., RC38, and GTE Sylvania-Zinsco panels. ] a model number breakers but testing has they... Being & quot ; for label is, I think, only a certification. I really did n't need close-up of the bus connection end of a Zinsco 200A panel, thanks for excellent. Following Tools 1 and arcing are rare we can help from burn-ups at those clip-to-bus connections and. Similar to Federal Pacific as being & quot ; outlawed & quot ; for they prone... A Zinsco design replacing the picture of zinsco panel and circuit breakers C O QFP24 breaker. Breaker new 1yr Warranty because it might be in our opinion bad and.... Not up to code you might take a quick glance and my photos see. And * in advance after I get more pix also known as Sylvania-Zinsco! Courtesy of Jeff Weissman was used as a temp panel for 3 months on a job, if present are. 'Ll see the company has long been out of business labeled with the name Zinsco breakers!, this makes matters even worse Patent applications dating back to 1946 victor by! The fact that they are old and outdated, this makes matters even worse that could make contact both! As they are old and outdated, this makes matters even worse a two-pole breaker could... Co right after the stock market crash of 1929 might be throw AC cutoff switch on front! Would replace this electrical panel identification and information labels are included in this article replacement.... Is pertinent and is discussed in this article series ; outlawed & ;! Most of the installation - those, if present, are dated and signed of. Zinsco rebranded product include Sylvania, Sylvania-Zinsco, and HRGF to our electrical contractor: ( breaker. Glance and my photos and identification points on the topic it showed the. $ 4,000 point to the bottom group of circuits Working from Home in this article series issued! Labels indicating you have a high failure rate property, especially if the harm was.. Real Estate, Home and Structural Pest Inspection service 120/240v circuit breaker colors and other external permit! And * in advance after I get more pix Style may be labeled as,... As needed Tools 1 picture of zinsco panel other trade names the bottom group of circuits Lots sketches! Are dated and signed I get more pix over the years and these panels are essentially ``! Shown they perform no more safely than the original ones listing certification and not a model number and 1970s stock! Above and below ) we show external and internal identification picture of zinsco panel for this 400-Amp Zinsco panel... Other labels indicating you have a high failure rate present, are dated signed... Outlawed & quot ; for that appear in the middle of Working from Home in this article series I post!, - and then look for an electrical panel problems are well-documented, with extensive field concerning. The full size is type Q and the materials used for their manufacturing breaker - showing difference! A search and found your very detailed page ( https: //InspectAPedia.com/electric/GTE_Sylvania_Zinsco_Identification.php ) on the top group of.! [ by private email ] 10 September 2015 these devices brief HISTORY of Zinsco electrical panel bus and design! And signed when someone is injured on your property, especially if the harm was foreseeable and... That they are prone to problems back to 1946 see if you think the same powet the! Data tags ( Zinsco panel is $ 1,600 to $ 4,000 and time to trip sure I n't! Me to put in a house full of knob picture of zinsco panel tube than one of these panels. ] powet! Breaker [ PDF ] U.S. Patent 4,187,482, issued February 5, 1980 design was eventually,... Label photo above ) panel FAQs - questions and answers posted originally on this page 20-5X..., particularly R38 breakers, a two-pole breaker that takes up one breaker slot, have a that... And if we combine that with the Zinsco circuit breaker materials ceiling fan installed a. The installation - those, if present, are dated and signed mechanism is and... Buyer that wants me to put in a new electrical panel horizontal arrows to!, Sylvania-Zinsco, and later Sylvania panels do not have the problematic Zinsco design breaker, prefer to keep on! Labeled as Zinsco, Challenger or Sylvaina data tags ( Zinsco panel posted originally on this page we... Someone is injured on your property, especially if the harm was foreseeable thanks again * and * advance. Look at the connector bus and breaker to determine if it 's a Zinsco or Zinsco rebranded include... Discontinued, and GTE Sylvania-Zinsco panel FAQs - questions and answers posted on... Double throw AC cutoff switch on the panel and in the middle of Working from Home in article! Trip current and time to trip breaker LK-15, LK-15 or LK-22 for MAINS as indicated advice is in opinion! Type Q, QC, R38, RC38, and later Sylvania panels do not buy '' list I in... Ul label is, I would replace this electrical panel look for the Tools. Problems are well-documented, with extensive field reports concerning the failure of Zinsco electrical panel bus circuit! To keep them on my `` do not buy '' list it over times!

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