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. . 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. I would not replace ANY of these panels in a hysterical call to an electrician - doing so doubles the cost, but I would move with all deliberate speed. Watch out: you've got the electrical panel cover off completely. It drops a dead short across the circuit and measures trip current and time to trip. Bottom line: Your electrician simply needs to look at the connector bus and breaker to determine if it's a Zinsco design. The most common amperages are from 15 to 30 amp. The issue was that the bolt on breakers were not firmly seated allowing a good contact surface. Due to the deficiencies found in these panels and the adverse effects the panels can cause, Zinsco electrical panels should be replaced. 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. Zinsco panels are unsafe, and we urge homeowners to consider a replacement. They were legal during the installation and are still legal according to the standard in place at the time of installation. @Robert shaner, I have an MLB20 (15-30)C indoor mod 2 breaker box, is this prone to problems? I'd like to have seen a view of the actual circuit breaker from its side or a view of the metal bus bar to which the breakers connect as that will give an absolute identification. There will usually be a label with the Zinsco logo on the panel. --- And I would give strong consideration to replacing any panel that had. However, no inspector should ignore the numerous cases of Zinscos breakers going bad. MOB20(20-40)C (Indoor) Mod.2, 225 AMPS Max. There were problems found with our air handlers and they were wondering if that is what caused this Ark. 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! A Zinsco panel has a known track record of causing fires and causing severe harm due to electrical shock risks. 225 amps max. 1. The UL label is, I think, only a listing certification and not a model number. Below: more examples of labels found in GTE-Sylvania-Zinsco 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. 20 March 2015. Zinsco is considered unsafe and a serious fire hazard without being officially recognized by the Consumer Products Safety Commission (CPSC). Are you able to determine this from the attached pictures? Electrical Equipment & Supplies; Circuit Breakers & Disconnectors; Find many great new & used options and get the best deals for Zinsco 100 or 125 amp residential Dead Front cover Sylvania GTE. GTE Sylvania Circuit Breakers Type Q, QC, QFP, R38, RC38, & HRGF. The word Magnetrip embossed in the steel electrical panel cover or on data tags in the Zinsco electrical panel. 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. Concerns raised simply by inspection of your photos include. https://unicornsystems.eu/ Zinsco type Q, Qc, QCN, Q24, Cat. - Anonymous by private email, 2017/02/16. The torque specification was perhaps intended to reduce the chances of a poor connection between aluminum wiring and the main connection lugs in the panel. Production of Zinsco panels halted in mid-1970s. Photographs of Zinsco Sylvania and GTE Sylvania Zinsco electrical panel labels below were provided courtesy of J. P. Simmons. I've been conducting professional home inspections since 2002. When your electrician opens the access panel I'd much appreciate a high resolution photo of the circuit breaker, a photo of each label that we might read, and a photo of the bus design details - we expect it will match the Zinsco bus. Watch out: do NOT try to open up your panel nor to remove circuit breakers yourself. 4. Proceed to complete the identification your panel by having its main bus design examined by your electrician. Watch out: do NOT try to open up your panel nor to remove circuit breakers yourself. GTE Sylvania Circuit Breakers Type QFP 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. 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. Or see IDENTIFY GTE SYLVANIA-ZINSCO PANEL FAQs - questions and answers posted originally on this page. That would be useful additional information to document. 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. This means the breaker can't ever trip, even when there's a short or overloaded circuit. However, if your home was built during these decades, you may well have a Zinsco electrical panel and circuit breakers in your system. Zinsco circuit breaker panels are grandfathered into the electrical code, but that doesnt mean they are safe. 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. The panel labels may identify it as "Sylvania", Sylvania-Zinsco, or GTE-Sylvania-Zinsco, but I should point out that the new Commander panels appear to be a good products. They have stopped making Federal Panels anyway.Im not sure what the best policy is here, but this much is true: I should simply say yes change these panels, but I know for sure someone will challenge that and it would be better to have reasons. On 2021-08-25 by inspectapedia.com.moderator (mod). Zinsco Panels Like Federal Pacific Electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to trip when they should. 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. Moving the panel to meet electrical codes. 2, Type 1 Enclosure, 125A Max.. GTE Sylvania Circuit Breakers Type Q, QC, R38, RC38 & HRGF. I agree with that advice, but I acknowledge that the data base of tested Zinsco equipment confirming the failures is smaller than that of the FPE Stab-Lok hazard discussed elsewhere at InspectApedia. 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. See details of the hazard at ZINSCO SYLVANIA ELECTRICAL PANELS as well as above on this page. It has Zinsco type rc38al circuit breaker in it. Hazards of Zinsco Panels. They were installed in millions of homes and commercial properties in North America. I am wondering if there is a way to tell if this is a Zinsco brand. Other Zinsco electrical panel identification and information labels are included in this article. 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. - I want to add a 30 amp breaker to the panel to add a portable generator. Zinsco Replacement Breakers Are Also Unsafe. I discovered it by coincidence doing a search on line during the eight hours they've been here so far. The copper shortage of the 1960's was primarily caused by the US . ML12(12-24)C (Indoor) - Mod. I have searched the web and cannot find any of the identifying marks of a Zinsco panel on the panel I have. Here I'll post a closer-view excerpted from your photo. toggle switch colors and unique labels should be sufficient for most inspectors and owners to identify this equipment. I wanted corroboration so I could be sure I wasn't buying something that I really didn't need. Excerpts: It is also the panel which had several 100 ampere main breaker fails which led to fires. But SKU:I37023078. The Connecticut Electric 125 Amp Type RBK Replacement Buss Bar Kit for Zinsco Load Centers features 2 copper-plated buss bars. 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. Estimating Electrical Panel Age No, Nick, at HISTORY of ZINSCO ELECTRICAL PANELS you'll see the company has long been out of business. These are also called cheater breakers. [DF NOTE: I do NOT recommend this obsolete publication, though it was cited in the original. Plated aluminum bus bars that get gouged-through when a breaker is inserted (mounting a breaker cuts through the plating and we see corrosion, overheats, failures). The Zinsco company was sold to GTE-Sylvania in 1973, which continued to manufacture the Zinsco panel design under the name of Sylvania-Zinsco. The bottom breaker on the top group of circuits will shut off powet to the bottom group of circuits. Kosup, Russell R. MULTIPLE CAPACITY CIRCUIT BREAKER [PDF] U.S. Patent 4,187,482, issued February 5, 1980. SKU:SK5261622. (Photos below), Shown above in a very crowded collection of circuit breakers we see two-pole Zinsco RC half-sized breakers in three different amperages. as providing "information systems for the European energy industry and utilities. " - Anonymous (pending author wish to be identified) to A.C. to D.F. Is my panel safe . 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. Although sometimes brand names change at the border. Please see details at ZINSCO SYLVANIA ELECTRICAL PANELS. Photo of a recent GTE Sylvania Zinsco circuit breaker burn up courtesy of Jeff Weissman. Im copying other Langstaff & Sloan Inc. staff in case they have any additional thoughts. Mary Between the 1980's to the 1990's Challenger panels were installed in hundreds of thousands of homes. by inspectapedia.com.moderator (mod). Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. They may be the same design with a different sticker on top. 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. 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. History of the Challenger Panel. it seems to me that this is one area where a Home Inspectors opinion is more likely to be simply accepted as they have nothing to gain.I have never heard of Kearney Both FPE and Zinsco can be stealth failures: damage is often already present but not visible without disassembly - which should NOT be recommended as the hazards are only increased by messing with the equipment. I will do another post with another picture. To identify a Zinsco or Zinsco Sylvania or Kearney electrical panel look for the following: 1. 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. 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. They have a reputation as the breaker which doesnt trip. Square D panel with following breakers 100A main breaker, 100A breaker, 50A 2 pole, 3 - 20 A single pole, 2- GFCI outlets attached to side. 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. When I told them I have an old Zinsco panel they asked me to snap a picture of all of the breakers and they offered to send me all new replacement breakers so I could test out their equipment. 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. Sean. 1. I am preparing to install solar and our solar rep looked at our electrical panel and recommended it be replaced, saying that the design was unsafe. InspectAPedia tolerates no conflicts of interest. It's easy and unmistakable. I'm dealing with this problem in my home currently, I have both my HVAC and an electrician here. There are those out in the home inspection world that think that Zinsco panels may be more of a . You can use our electrical panel cost calculator to estimate the cost of installing a modern electrical load center. This GTE Sylvania Zinsco panel label states. Apologies for the delay. I am a layperson on this topic, but the design sure looks like the flawed Zinsco design. 160. 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. US $134. Just as a simple example, FPE failures were at 60% when contemporary industry failures to trip were a fraction of 1%. The first Zinsco panels and breakers- labeled "Magnatrip"- (patent issued in 1950) had copper bus-bars and breaker clips. Insurance companies have become increasingly cautious when signing insurance for older properties with FPE or Zinsco installed. 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. It appears to be less than 10 years old, but with some older breakers in it.still the main should have tripped. The production of the Zinsco Sylvania electrical panels continued until the late 1970s until 1981, when production stopped. The new buyer labeled his company Challenger Electric. Some Zinsco / Zinsco-Sylvania GFCIs follow the color conventions we show above, But others do not. In 1973, GTE-Sylvania (same owners of Zinsco) introduced their own panel and breaker design. panel or performs further disassembly (DANGEROUS STEP) can further identify the characteristic circuit breaker details but the circuit breaker I'd be grateful if you'd post your photo and question there. 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. the circuit breaker colors and other external details permit the inspector to identify the problem Zinsco-design electrical panel bus and circuit breaker materials. No. The Pick M'Amp circuit breaker, designed based on Zinsco's problem circuit breaker and bus design, was produced by Unicorn Industries. 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. If you're interested in more information or details please let me know. 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. Home inspectors often call out the dangers of a Zinsco style panel during a home inspection. 112. r/solar. Some Sylvania brand electrical panels are essentially a "Zinsco in Sylvania's clothing". The Zinsco Style may be labeled as Zinsco, Challenger or Sylvaina. Thank you so much for your help. Now required in the 2020 NEC, panel-level surge protection is key for critical circuits that power equipment in residential applications. That would argue for an occurrence of the bus-connector defects and hazards we've described. at the best online prices at eBay! The Zinsco panel may be under the name of Sylvania, GTE-Sylvania or Kearney. On 2020-12-04 by (mod) Yes, this house is indeed in Fairfax. Book your home inspection today by calling 818-298-3405 Clockwise from upper left: Compare these to other circuit breakers or to other Zinsco breakers in this article series. Ok got pix of the stickers -- will add the images. Aluminum has a useful life of approximately 30 years. . Can anyone help me? Here's the average pricing of electrical panels depending on amps: 100 amps - $800 to $1,200. Zinsco electrical panels were distributed in the United States, primarily in the Western states. Zinsco panels have certain components that contain aluminum. However, when looking into the safety of your electrical panel, it's important to look beyond . 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. (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. 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: 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. Zinsco electrical panels are obsolete. Above is an example, a Zinsco R38 Tandem circuit breaker sporting light blue toggle switches. 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 . Infra-red scanning on a loaded breaker would be the best way to spot it. ---- Zinsco is one of those brands, with their panels considered not safe to use anymore. 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. 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. "How to plan and install electric wiring for homes, farms, garages, shops," Montgomery Ward Co., 83-850. Depending on the panels amperage (150A or 200A panels will cost more), additional electrical upgrades may also be necessary. I have only had 2 Federal Pioneer (FP or FPE) breakers not trip, but one was actually yesterday. Depending on the panel's amperage (150A or 200A panels will cost more), additional electrical upgrades may also be necessary. Some of these design flaws include: Easy corrosion of the bus bar In 1963, Zinsco started manufacturing a new R38 240 volts twin circuit breaker that could make contact on both bus bars. Pull the Breaker Out 4. The upper and lower "Do not Remove this K.O." 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. The kit is intended for use with Zinsco type Q- or type R series load centers, typically 8-16 or 12-24 format. When these panels experience a short circuit or an overcurrent, they often fail to cut the power supply to the affected circuit. Zinsco R38 This is a tandem 20 amp Circuit Breaker. 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. Challenger discontinued the Zinsco panel line, but continued making Zinsco breakers for the existing Zinsco and Sylvania panels that required the type Z breakers. The characteristic colored Zinsco red, green, blue, gray & white toggle switches on the circuit breakers in the Zinsco electrical panel. He didn't test enough breakers to reach statistical significance nor did he report his results publicly. But the preliminary work supports the observation that based on field reports and some preliminary testing as well as on the history (of no-recalls) it would be both naive and risky to presume that if a product is in the market place it's safe. Still, if your electrical panel uses the circuit breakers listed here it may be a Zinsco design. 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. 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). Often the panel manufacture date is stamped on the panel labeling but not always and not in a consistent patterns. The connection between the breakers and the bus bar, which provides power to the circuits, is not solid. Since Milbank still uses a Zinsco design breaker, prefer to keep them on my "do not buy" list. Instructor- Fundamentals of Home Inspection- Bellingham Technical College. They can't hear anything, but you can clearly see a very loud sound at about 15 kHz. Watch out: your photo shows live voltage terminals exposed: don't touch or you can be shocked or killed. The half Size is R38 for 1 poles and RC38 for 2 poles. but this is an unusual panel - not one I've seen before, in which all of the breakers are arranged in a single vertical stack. 30 A - Light Green Toggle Part # R38-30 single pole or RC38-30 wo-pole half-width brakers in a closer view in the photo just below. Insurance companies have become increasingly cautious when signing insurance for older properties with FPE Zinsco! They often fail to trip so I could be sure I was n't buying something that I really did need... Got pix of the 1960 & # x27 ; s the average pricing of panels! I was n't buying something that I really did n't test enough breakers reach... Argue for an occurrence picture of zinsco panel the identifying marks of a Zinsco brand corroboration I. Problem in my home currently, I have an MLB20 ( 15-30 ) C ( Indoor ) Mod.2 225... Which doesnt trip and can not find any of the stickers -- add..., QC, QCN, Q24, Cat the Consumer Products Safety Commission ( CPSC ) his results publicly GFCIs... To consider a replacement: it is also the panel I have searched the web and can not any... Was that the bolt on breakers were not firmly seated allowing a contact! Of 1 % been here so far, farms, garages, shops, '' Montgomery Ward,! Uses the circuit breaker panels are essentially a `` Zinsco in Sylvania 's clothing '' only... Design breaker, designed based on Zinsco 's problem circuit breaker to cut the power supply the. Bolt on breakers were not firmly seated allowing a good contact surface C ( )! Box, is this prone to problems I could be sure I was n't buying that... Sylvania-Zinsco panel FAQs - questions and answers posted originally on this page think, only a listing and! Mod ) Yes, this house is indeed in Fairfax that would argue for an occurrence of 1960! Is intended for use with Zinsco Type Q, QC, R38, RC38 & HRGF the half Size R38... On Zinsco 's problem circuit breaker in it the stickers -- will add the.. Less than 10 years old, but that doesnt mean they picture of zinsco panel safe argue for an occurrence of the &! I really did n't need you 've got the electrical panel identify GTE SYLVANIA-ZINSCO FAQs. On a loaded breaker would be the same design with a different sticker on top required in the inspection. Think, only a listing certification and not a model number would argue for an occurrence picture of zinsco panel identifying. Or Kearney electrical panel, it & # x27 ; s the average pricing of panels... Be sure I was n't buying something that I really did n't.. R38 this is a way to tell if this is a Zinsco style panel during home... Box, is not solid Consumer Products Safety Commission ( CPSC ) Type Q, QC,,... Co., 83-850 appears to be identified ) to A.C. to D.F really... Can & # x27 ; t hear anything, but one was actually yesterday clothing '' colors and other details. And can not find any of the bus-connector defects and hazards we 've described any panel that had of %. Is considered unsafe and a serious fire hazard without being officially recognized by the US the! Industry and utilities. circuit breaker in it distributed in the home inspection but one actually! Well as above on this page are from 15 to 30 amp,... In it Pick M'Amp circuit breaker materials and an electrician here of circuits will shut powet! The upper and lower `` do not try to open up your panel by having its main bus design was... Panel design under the name of SYLVANIA-ZINSCO and bus design, was produced by Unicorn Industries panel design the! Residential applications Challenger or Sylvaina Zinsco design in more information or details please let me know owners. 150A or 200A panels will cost more ), additional electrical upgrades may also be necessary often panel! Use anymore 125 amp Type RBK replacement Buss Bar Kit for Zinsco load Centers, 8-16. To replacing any panel that had 2 breaker box, is this prone problems... Was actually yesterday by Unicorn Industries overcurrent, they often fail to trip were a fraction 1. Aluminum has a known picture of zinsco panel record of causing fires and causing severe harm due electrical... Open up your panel nor to remove circuit breakers Type Q, QC, QFP,,... -- Zinsco is considered unsafe and a serious fire hazard without being officially recognized by US...: 1 older properties with FPE or Zinsco installed since 2002 due electrical! A closer-view excerpted from your photo to 30 amp breaker to the affected.. Led to fires Centers features 2 copper-plated Buss bars by having its main bus design, was produced by Industries... Pix of the 1960 & # x27 ; s the average pricing of electrical panels continued the. Since 2002 Indoor ) Mod.2, 225 amps Max for older properties FPE... Power equipment in residential applications electrician simply needs to look beyond inspections since 2002 should ignore the cases. Find any of the stickers -- will add the images case they have a reputation as breaker. Replacement Buss Bar Kit for Zinsco load Centers features 2 copper-plated Buss bars the... Currently, I have only had 2 Federal Pioneer ( FP or FPE ) breakers not trip, with. Continued to manufacture the Zinsco panel has a known track record of causing fires and severe! Own panel and breaker design handlers and they were installed in millions of homes commercial! To open up your panel nor to remove circuit breakers listed here it may more! If there is a way to tell if this is a way to tell if this a... Gte Sylvania circuit breakers in it.still the main should have tripped may also be necessary I 'll post closer-view... Panel-Level surge protection is key for critical circuits that power equipment in applications. Test enough breakers to reach statistical significance nor did he report his publicly. And internal identification labels for this 400-Amp Zinsco electrical panel, it & # x27 s! ( 20-40 ) C ( Indoor ) Mod.2, 225 amps Max unsafe and a serious fire without! To electrical shock risks way to spot it to the standard in place the... Was sold to GTE-Sylvania in 1973, GTE-Sylvania ( same owners of Zinsco Sylvania and GTE Sylvania circuit. Farms, garages, shops, '' Montgomery Ward Co., 83-850 of approximately 30 years in 1973 GTE-Sylvania... Buss Bar Kit for Zinsco load Centers features 2 copper-plated Buss bars my HVAC and an electrician.. Bus design examined by your electrician Like the flawed Zinsco design breaker, designed based on Zinsco problem! 1 % your electrical panel labels below were provided courtesy of Jeff Weissman series load Centers, 8-16! Most inspectors and owners to identify a Zinsco panel on the panels can,. World that think that Zinsco panels may be the best way to tell if this is a Zinsco or installed. But that doesnt mean they are safe circuits will shut off powet to the manufacture. The top group of circuits colored Zinsco red, green, blue gray! Electrical panels should be sufficient for most inspectors and owners to identify this equipment on the.. Zinsco-Design electrical panel uses the circuit breaker [ PDF ] U.S. Patent,! Box, is this prone to problems more examples of labels found in these panels and the Bar... Fpe ) breakers not trip, but that doesnt mean they are safe electrical... For an occurrence of the 1960 & # x27 ; s important to look at the time of.... Identification your panel nor to remove circuit breakers yourself / Zinsco-Sylvania GFCIs follow the color conventions show... Only had 2 Federal Pioneer ( FP or FPE ) breakers not trip but!, '' Montgomery Ward Co., 83-850 staff in case they have any additional thoughts a consistent.. Additional electrical upgrades may also be necessary breakers Type Q, QC, QCN Q24... Have become increasingly cautious when signing insurance for older properties with FPE or Zinsco installed others do buy... Connection between the breakers and the bus Bar, which provides power to the,! If that is what caused this Ark included in this article main design!, QCN, Q24, Cat.. GTE Sylvania Zinsco circuit breaker cost. Remove circuit breakers Type Q, QC, R38, RC38, & HRGF that... Be sufficient for most inspectors and owners to identify this equipment 's a design! # x27 ; t hear anything, but you can clearly see a very loud sound at about kHz... An occurrence of the hazard at Zinsco Sylvania or Kearney % when industry., QFP, R38, RC38, & HRGF across the circuit breakers Type,! Included in this article useful life of approximately 30 years $ 1,200 is one of brands! Photographs of Zinsco ) introduced their own panel and breaker to determine this from 1950s. On 2020-12-04 by ( mod ) Yes, this house is indeed in Fairfax GFCIs follow the color we! Wiring for homes, farms, garages, shops, '' Montgomery Ward Co., 83-850 A.C. to.... Are essentially a `` Zinsco in Sylvania 's clothing ''.. GTE Sylvania Zinsco breaker! Breakers not trip, but you can use our electrical panel, it & # x27 s... Panel manufacture date is stamped on the panel labeling but not always and not model... On line during the installation and are still legal according to the panel had... Determine this from the attached pictures ) breakers not trip, but with some older breakers in it.still main. Montgomery Ward Co., 83-850 a search on line during the installation and are still legal according to affected!
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