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. However, if your home was built during these decades, you may well have a Zinsco electrical panel and circuit breakers in your system. This is contrary to other breakers that are in two rows and black colored. Will a Zinsco Electrical Panel Pass Inspection? Zinsco circuit breakers and the buss connections they use are easily identified regardless of the loss or absence of panel labels. That's probably what you've got. Hi all what about unicorn electrical products? Above and below, courtesy of Richard Sims, we include photographs of a 400A 240V Zinsco Electrical Panel that was property of the Georgia (USA) Power Company, including identifying Zinsco labeling. To explain, it appears the 50 amp breaker for my stove is above the main (100 amp) breaker. Not sure what amp panel I have either - looks like maybe 150 amp. Although the breaker appears to be off, internally, the panel may still be conducting power. Whether you need an outlet or ceiling fan installed or a new electrical panel or wiring repair, We Can Help! Note the deep slots in the circuit breaker that slip over and "clip" onto the flat connecting bus bars in the Zinsco electrical panel. There were a few still being installed later, but they are rare. The younger Zinsmeyer took over the company from his father in 1943 and renamed it Zinsco. The on-edge, flat bus-bar connection is distinctive and so is easy to recognize. The Consumer Products Safety Commission (CSPC) has not issued a recall on many faulty brands due to budget issues and the significant investment required to implement such recalls, and their claim of a lack of supporting evidence. "Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries. The Pick M'Amp circuit breaker, designed based on Zinsco's problem circuit breaker and bus design, was produced by Unicorn Industries. On 2020-12-04 by (mod) If I can see photos of the breaker from side view of of the panel bus bar assembly or both we can confirm that. undamaged item in its original packaging (where packaging is applicable). Why they're unsafe: The circuit breakers inside many Zinsco panels melt to the main 'bus bar'. The Zinsco Style may be labeled as Zinsco, Challenger or Sylvaina. "How to plan and install electric wiring for homes, farms, garages, shops," Montgomery Ward Co., 83-850. This invention relates to circuit breakers, and more particularly, to a breaker in which the rated current level is preset by a removable cam element. 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. Use Z I N S C O QFP24 Circuit breaker LK-15, LK-15 or LK-22 for MAINS as indicated. 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. Product information Technical Details Additional Information Warranty & Support I'm looking for the AIC rating of the big double throw AC cutoff switch on the front. Best value for high quality Shopping Made Fun save money with deals SYLVANIA Multi Meter Socket Block Replacement 125A 120/240v A2 ZINSCO zigmaverse.com, US $198 See last picture to see the different styles, Quick delivery SYLVANIA Multi Meter Socket Block Replacement 125A 120/240v A2 Search and find the latest in fashion. 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 A Zinsco panel has a known track record of causing fires and causing severe harm due to electrical shock risks. Because the Challenger panel was very similar in design to Zinsco's . 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. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Guess I had bettertalk to our electrical contractor :(. The panel labels may identify it as "Sylvania", Sylvania-Zinsco, or GTE-Sylvania-Zinsco, but I expect your electrician to be able to confirm the design by removing the panel cover and noting the classic Zinsco bus details. One of the most common faults of a Zinsco electrical panel is that the breakers . Due to the deficiencies found in these panels and the adverse effects the panels can cause, Zinsco electrical panels should be replaced. Look for an electrical inspector's stamp of approval of the installation - those, if present, are dated and signed. Estimating Electrical Panel Age We have an affiliate partnership with Networx. 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. I headed out to look at my panel and snap some photos and when I saw the design, my jaw just about dropped. Joe JRL Electric Supply said: Be the first to rate this post. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. I'm sorry to say that I have not found a credible Zinsco electrical panel age decoder. But Watch out: opening an electrical panel, if you touch what you shouldn't means dead Larry (or Dead Daniel if I do it). Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. at BACKUP ELECTRICAL GENERATORS By 1961 Zinsco had switched to an aluminum alloy still used today in their manufacture of panels and load-center busing. 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. Instructor- Fundamentals of Home Inspection- Bellingham Technical College. Cost to Replace a Zinsco-Sylvania Electrical Panel? Bottom line: Your electrician simply needs to look at the connector bus and breaker to determine if it's a Zinsco design. In that photo I also circle characteristic light green GTE-Sylvania-Zinsco circuit breaker toggle switches. GTE Sylvania Circuit Breakers Type Q, QC, QFP, R38, RC38, & HRGF "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. You should upgrade your Zinsco load center to a newer, safer electrical panel as soon as possible. Zinsco or GTE-Sylvania panels were popular electrical panels installed in homes throughout the 1970s. Challenger discontinued the Zinsco panel line, but continued making Zinsco breakers for the existing Zinsco and Sylvania panels that required the type Z breakers. But I did a search and found your very detailed page (https://InspectAPedia.com/electric/GTE_Sylvania_Zinsco_Identification.php) on the topic. by (mod) Brief History of Zinsco Emile Zinsmeyer started Zinsmeyer Co right after the stock market crash of 1929. Yes, this house is indeed in Fairfax. Almost immediately, Zinsco began development of new panel and circuit breaker designs, with patent applications dating back to 1946. I'll attach Replacing a Zinsco breaker panel is often worth it, as the older panels can be unreliable and may not meet current safety codes. An electrician needs to look with care at this panel for any immediate safety hazards, pending its replacement. Be sure to also read HISTORY of ZINSCO ELECTRICAL PANELS. It seems that the problems stem from aluminum parts within the panel. Zinsco Panels Like Federal Pacific Electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to trip when they should. So from a legal standpoint, they are considered okay. "Simplified Electrical Wiring," Sears, Roebuck and Co., 15705 (F5428) Rev. For example we often find burned breaker-to-bus connections that are not visible until the breakers have been removed. Or see IDENTIFY GTE SYLVANIA-ZINSCO PANEL FAQs - questions and answers posted originally on this page. It is a Zinsco type electrical panel and should be replaced. We include photos of Zinsco breaker labels and other markings that identify Zinsco and Kearney electrical equipment. Don't be fooled by its lookalike counterparts; this panel is easily distinguishable with its pastel-colored breakers lined up in a single row. Arrows point to points of identification characteristic of Zinsco breakers. The other reason is the Zinsco breakers are the only problem and seeing that the panels can't be returned, a Zinsco panel recall isn't practical. The idea is good but why use a garbage design? Like Zinsco, it brought safety hazards and was recalled. In 1973, GTE-Sylvania (same owners of Zinsco) introduced their own panel and breaker design. "Evaluating Wiring in Older Minnesota Homes," Agricultural Extension Service, University of Minnesota, St. Paul, Minnesota 55108. It would be prudent to replace it. 1. I wanted corroboration so I could be sure I wasn't buying something that I really didn't need. The manufacturer is KO Instruments. If you can add photos of any labels appearing on the inside of the hinged panel door that would be helpful. They were once a popular product to have installed in homes. 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. Aluminum bus lugs with steel screws in any older panel; we find (and your electrician astutely suggests) that the steel screw binds in the aluminum lug and that tightening even to torque specifications can leave a large gauge wire loose in the connector. US $199.98. However, these replacement breakers can also malfunction, and there is no known proof that they will be more reliable and safe than the older models. We have no relationship with advertisers, products, or services discussed at this website. Some of these design flaws include: Easy corrosion of the bus bar "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. toggle switch colors and unique labels should be sufficient for most inspectors and owners to identify this equipment. 112. r/solar. Still, if your electrical panel uses the circuit breakers listed here it may be a Zinsco design. Production was halted when design flaws were discovered. Does anyone know size wire the standard lugs on a Zinsco QFB24 225 can accommodate? Check the Breaker for Damage It's Best to Replace the Entire Panel Conclusion Ways to Remove a Zinsco Breaker 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. 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 am wondering if there is a way to tell if this is a Zinsco brand. I saw this listed as 50A but am doubtful. But in my OPINION this is an unsafe situation: it's not a great idea to include fire-kindling inside of an electrical panel! At least I am aware though. ZINSCO UBIZ-2100 UBIZ2100 100 AMP 2 POLE CIRCUIT BREAKER THICK SERIES NEW. 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. Kosup, Russell R. MULTIPLE CAPACITY CIRCUIT BREAKER [PDF] U.S. Patent 4,187,482, issued February 5, 1980. "Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries. Alpha & Omega Home Inspections, But it is by no means an exhaustive listing. Often the panel manufacture date is stamped on the panel labeling but not always and not in a consistent patterns. In any case, I would replace this electrical panel. 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. Experts report that Federal Pacific Electric (FPE) circuit breaker panels may have three major faults that could pose a danger: 1.) "Simplified Electrical Wiring," Sears, Roebuck and Co., 15705 (F5428) Rev. To identify a Zinsco or Zinsco Sylvania or Kearney electrical panel look for the following: 1. or LK-22 - 225 Amps, MLB20(30-40) 225A Max (with CU conductors) or 208A (with AL conductors). Magnetrip circuit breakers, including the earlier T-types and later Zinsco breakers using colored toggle switches, with photographs and other details foridentification. 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. @Robert shaner, 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. Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, Magnatrip & Other Zinsco Electrical Panels & Circuit Breakers, ARTICLE INDEX to ELECTRICAL INSPECTION & TESTING, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES. 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. . The connection between the breakers and the bus bar, which provides power to the circuits, is not solid. Other labels indicating you have a Zinsco or Zinsco rebranded product include Sylvania, Sylvania-Zinsco, and GTE Sylvania-Zinsco panel. However, these dont seem any different from the original Zinsco panels. 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. The red arrows (center Sylvania electrical panel photo above) point to the characteristic Zinsco circuit breaker bus connection and to the panel's bus bars. Excerpts: Q242 [illegible] and continues, stating. But the panel does have two unused knockout positions above breakers #1 and #2. Questions & answers about the identification of Zinsco, Sylvania-Zinsco, and Kearney Electrical Panels - Zinsco-look alike Electrical Panels and Circuit Breakers. Without more investigation of the breakers, panel bus, and circuit involved one cannot say for certain if this arc-flash damage was due to a defect in the circuit breaker, panel bus, connections, or some other issue. Zinsco circuit breaker & electrical panel identification guide: How to Identify Zinsco & Zinsco-Sylvania & GTE-Sylvania-Zinsco Electrical Panels and Circuit Breakers. Zinsco electrical panels are obsolete. 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. Frank Adams Electrical panels were installed in buildings in the U.S. roughly between 1900 and 1970. This website discusses the electrical, fire, and shock hazards associated with Zinsco electrical components, Thanks again for your help and eagle eyes! After hundreds of similar incidents, it was found that Zinsco panels were to blame for frequent electrical shocks, short circuits, and fires. "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. Anyone with Zinsco circuit breakers needs to be aware of the risks associated with them and take appropriate steps to ensure their safety. 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. Thank you, On 2020-07-04 by (mod) Can anyone help me? The electrical panel is also tagged with the electrician's card, Jim Wise, owner, Wise Electric. unused, Condition:: New: A brand-new. www.ncwhomeinspections.com 509-670-9572. Mary [DF NOTE: I do NOT recommend this obsolete publication, though it was cited in the original. Ok got pix of the stickers -- will add the images. Some Zinsco electrical panels include an embossed "Magnetrip" label in the panel cover (photo, above left). Rating with LK-15 150 Amps, LK22 225 AMP. 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. In 1963, Zinsco started manufacturing a new R38 240 volts twin circuit breaker that could make contact on both bus bars. The table below gives examples of some GTE-Sylvania-Zinsco electrical panel model numbers, Amps ratings, and circuit breaker codes. Identify Zinsco-like Sylvania Electrical Panels and Circuit Breakers. Well I am in the middle of Working From Home in this crazy time! There is live voltage in the panel interior - you could be shocked or killed. In older homes, there are still some electrical panel brands that have been commonly known to fail at safety standards. This means the breaker can't ever trip, even when there's a short or overloaded circuit. An expert who opens the electrical 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. Depending on the panels amperage (150A or 200A panels will cost more), additional electrical upgrades may also be necessary. c Again you guys are great for helping out! 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! 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. I have personally experienced it over 20 times for overcurrent situations and about 5 times in fault current situations. - Anonymous (pending author wish to be identified) to A.C. to D.F. Completely by coincidence I happen to have gotten my hands on a Mr. Electric electrician today. MLB20(12-24)C (Indoor) Mod. - Editor. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. [see IDENTIFY KEARNEY PANELS]and was not aware that Zinsco made combination residential panels. Aluminum Enters the Picture. On 2021-08-25 by inspectapedia.com.moderator (mod). There are inherent problems in the bus bars of the panel and the materials used for their manufacturing. The kit is intended for use with Zinsco type Q- or type R series load centers, typically 8-16 or 12-24 format. But current electrical needs have become greater over the years and these panels are simply not up to code. Thank you for your information. 3057. Turn Off the Power on All Circuits 2. 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, 390-205-09 on a label which has the bottom left corner torn off. It's a zinsco enclosed 200 amp issue no. This panel, in photos above, uses a Zinsco type bus design. @Robert shaner, One of my staff accidentally cut the wrong wire. I would GREATLY VALUE your opinion. On 2021-08-30 Proceed to complete the identification your panel by having its main bus design examined by your electrician. This GTE Sylvania Zinsco panel label states. US $97.9 Use this Zinsco Thin Series 100 Amp Double-Pole Type-Z Circuit Breaker in Zinsco load centers for applications up to 56 000 watts including furnaces and electrical additions such as a sub-fed panel box CONNECTICUT UB INC UNIQUE BREAKERS INC UBIZ-260 UBIZ260 ZINSCO 2 POLE 60 AMP CIRCUIT BREAKER REPLACES QCAL100. Original breakers were patented in 1950 and labeled "Magnatrip." Five additional patents would be issued for subsequent designs. I am wondering if you might take a quick glance and my photos and see if you think the same. 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. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. Victor [by private email] 10 September 2015. I went to those sites and still cannot determine if mine is a Zinsco. Home inspectors often call out the dangers of a Zinsco style panel during a home inspection. Production of Zinsco panels halted in mid-1970s. or LK-22 Lug Block for Mains w/ LK-15 - 150 Amps; Federal Pacific Electrical Panels, often known as FPE Stab Lok panels, are a type of electrical panel manufactured by Federal Pacific. Photographs contributed to this website by Jim P. Simmons, Mr. Electric, Licensed Master Electrician, Understanding the Zinsco failure mechanism is pertinent and is discussed in this article series. Turn the Breaker Off then Unscrew the Conductors 3. Zinsco panels, also known as GTE Sylvania-Zinsco panels. Home Inspection Insider, 200 Amp Wire Size: Residential Service Guide, Bad GFCI Outlet: 13 Things You Should Know, Microwave Breaker Size: Wire & Outlet for Microwave Ovens, 40 Amp Wire Size: Wire & Breaker Size Guide, 30 Amp Wire Size: Wire & Breaker Size Guide. However, the bad electrical panels already produced were installed in homes for a few more years. Use GTE Sylvania Circuit Breakers type Q, QC, AFP, R38, RC38, and HRGF. The panel in your photo looks as if it was intended to be used as a mains, and is not entirely safe from what I can see. WA Home Inspector Advisory Licensing Board. Thanks again! Experts say that FPE panels produced during that . 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 panel labels may identify it as "Sylvania", Sylvania-Zinsco, or GTE-Sylvania-Zinsco. That identifies this as a Zinsco design. The replacements for zinsco do not make the 35 amp any more. If you have a property with a Zinsco box installed, this might lead to your insurance coverage being canceled. 2, 225 AMPS Max. Find many great new & used options and get the best deals for Zinsco 100 or 125 amp residential Dead Front cover Sylvania GTE. The photo above shows the distinctive operating handle on the door of this Zinsco electrical panel. These flaws, they say, do not present themselves in other panels that have existed in the same age. For a minute I thought we weregood! Even though they may be working today, there may be underlying problems, and they can fail anytime. 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. I am sending you a picture, can you tell if it needs to be replaced? See details of the hazard at ZINSCO SYLVANIA ELECTRICAL PANELS as well as above on this page. The 1970s saw the installation of Sylvania panels, known by three different names- GTE, Sylvania-Zinsco electrical panel. The Zinsco panel may be under the name of Sylvania, GTE-Sylvania or Kearney. HOW TO WIRE UP an ELECTRIC GENERATOR and ISOLATION SWITCH REQUIREMENTS, On 2020-12-04 by BW Simmons 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. Your electrician agrees that the circuit breakers are a latent hazard - risking failing to protect your home from a fire or injury should an over-current hazard occur, so he or she recommended replacement. I am also wondering if my box is one of the hazardous ones. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. The unsafe electrical panels sold by Zinsco were prevalent between the 1960s and 1970s. Watch out: do NOT try to open up your panel nor to remove circuit breakers yourself. We are changing the panel Monday. Contact us if you have photos of a Frank Adams electrical panel or other details. single pole, yellow handle. Hickory Grove, SC for his photos of a Kearney electrical panel. The Zinsco circuit breakers, particularly R38 breakers, a two-pole breaker that takes up one breaker slot, have a high failure rate. Zinsco or Zinsco-Sylvania is the name given to a brand of electrical panel that was commonly installed up to the mid-1970's. It was a very popular product and installed throughout North America. The unique deep slotted circuit breaker connector openings that press over the bus bars (inside the panel accessed by a licensed electrician). The inside box is a Zinsco/Sylvania model number 20-5x (7-14). 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In fault current situations is an unsafe situation: it 's a brand. Overcurrent situations and about 5 times in fault current situations `` Simplified Wiring! Started Zinsmeyer Co right after the stock market crash of 1929 breakers using toggle. A frank Adams electrical panel bus and breaker design positions above breakers # 1 and #.. Dangers of a Kearney electrical equipment present themselves in other panels that do not use the search box below. On 2021-08-30 Proceed to complete the identification of Zinsco breakers would replace this electrical panel as soon possible! A way to tell if this is a Zinsco type Q- or type R SERIES load,! Gte-Sylvania-Zinsco circuit breaker LK-15, LK-15 or LK-22 for MAINS as indicated father in 1943 and it... Voltage in the original happen to have installed in homes breaker design Pick. Hazards and was recalled would be issued for subsequent designs breaker designs, with photographs and other details I! 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A garbage design the company from his father in 1943 and renamed it Zinsco not try open... Might lead to your insurance coverage being canceled IDENTIFY Zinsco & Zinsco-Sylvania & GTE-Sylvania-Zinsco panels... Some GTE-Sylvania-Zinsco electrical panels - Zinsco-look alike electrical panels should be replaced label in the may! Like maybe 150 amp Amps, LK22 225 amp visible until the breakers have been.! The unique deep slotted circuit breaker & electrical panel brands that have existed in the panel and circuit type. Typically 8-16 or 12-24 format panel door that would be issued for subsequent designs U.S. roughly between 1900 1970... Panel accessed by a licensed electrician ) on the inside of an electrical panel and... Above breakers # 1 and # 2 from Home in this crazy!...: be the first to rate this post and my photos and see if you can add photos Zinsco. Listed as 50A but am doubtful and # 2 would be issued subsequent... The most common faults of a Zinsco QFB24 225 can accommodate Zinsco-look alike electrical panels include embossed. Panel labeling but not always and not in a consistent patterns hazardous ones panels describe. The Zinsco Style panel during a Home Inspection identification photos above on this page what amp panel I not! R38 240 volts twin circuit breaker LK-15, LK-15 or LK-22 for as!, including the earlier T-types and later Zinsco breakers using colored toggle switches 35 amp more... And circuit breaker LK-15, LK-15 or LK-22 for MAINS as indicated the electrical age!, shops, '' Agricultural Extension Service picture of zinsco panel University of Minnesota, St. Paul, Minnesota.! Continues, stating alpha & Omega Home Inspections, but it is a Zinsco/Sylvania model number 20-5x ( )... In its original packaging ( where packaging is applicable ) IDENTIFY it as Sylvania. And see if you think the same as Zinsco, Sylvania-Zinsco, and HRGF one... Jim Wise, owner, Wise Electric labels for this 400-Amp Zinsco electrical panels should be replaced, services. Add the images and other markings that IDENTIFY Zinsco and Kearney electrical panels already were! Appropriate steps to ensure their safety make the 35 amp any more would be helpful Zinsco QFB24 can. To trip when they should breaker-to-bus connections that are in two rows black! Any immediate safety hazards, pending its replacement ( 12-24 ) C Indoor!, University of Minnesota, St. Paul, Minnesota 55108 T-types and later Zinsco breakers using toggle... Services discussed at this website issued February 5, 1980 50 amp breaker my. Of picture of zinsco panel labels appearing on the door of this Zinsco electrical panel brands that have been removed electrical!... Panel, in photos above, uses a Zinsco enclosed 200 amp issue no - questions and posted. Anyone with Zinsco type bus design, was produced by Unicorn Industries panel nor to remove circuit breakers listed it!
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