picture of zinsco panel

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. Well I am in the middle of Working From Home in this crazy time! panel or performs further disassembly (DANGEROUS STEP) can further identify the characteristic circuit breaker details but the circuit breaker Joe's advice is in our opinion bad and unsafe. Zinsco electrical panels were distributed in the United States, primarily in the Western states. Watch out: this data is drawn from the panel labels of GTE Sylvania electrical panels confirmed to use and be of the Zinsco circuit breaker design. 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. 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. Turn the Breaker Off then Unscrew the Conductors 3. 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. SKU:SK5261622. The manufacturer is KO Instruments. He did not know about the Zinsco/Sylvania problem. Actually that top component labeled "Main" looks like it could even be a fuse pull-out. Infra-red scanning on a loaded breaker would be the best way to spot it. This GTE Sylvania Zinsco panel label states. Zinsco is considered unsafe and a serious fire hazard without being officially recognized by the Consumer Products Safety Commission (CPSC). 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. I was skeptical, figuring he was trying to upsell me. The first Zinsco panels contained copper bus-bars and copper breaker clips. But the panel does have two unused knockout positions above breakers #1 and #2. Their breakers can overheat and fail to trip at 135% circuit overload or higher due to aluminum alloy bus bars and loose breaker connections. On 2020-12-04 by (mod) But Watch out: opening an electrical panel, if you touch what you shouldn't means dead Larry (or Dead Daniel if I do it). I 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. 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. Be sure to also read HISTORY of ZINSCO ELECTRICAL PANELS. Some of these design flaws include: Easy corrosion of the bus bar 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. 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. I have a buyer that wants me to put in a new panel because it might be. 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). Electrical panel interior access should be by a licensed and trained electrician. We have an affiliate partnership with Networx. Federal Pacific Electric panels may not meet today's updated safety codes. However, they can still be found in older homes and properties built before 1990. The upper and lower "Do not Remove this K.O." - and then look for remodeling and renovation dates on the panel and in the home's documentation. Thanks again *and* in advance after I get more pix! Photo of a recent GTE Sylvania Zinsco circuit breaker burn up courtesy of Jeff Weissman. Ok got pix of the stickers -- will add the images. - Editor. I [will] send pictures Sylvania Electrical Panel Catalog No. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. Can anyone help me? Whether you need an outlet or ceiling fan installed or a new electrical panel or wiring repair, We Can Help! Below is a close-up of the bus connection end of a classic Zinsco circuit breaker - showing the difference between these devices. I'm interested in seeing sharp and more-detailed photos of any evidence of the details of burning in the panel that you were describing. Many, if not all, insurance companies can even refuse to insure a property with a Zinsco due to their documented and proven fire hazards. Note the deep slots in the circuit breaker that slip over and "clip" onto the flat connecting bus bars in the Zinsco electrical panel. You can use our electrical panel cost calculator to estimate the cost of installing a modern electrical load center. Here (above and below) we show external and internal identification labels for this 400-Amp Zinsco electrical panel. Photographs of Zinsco Sylvania and GTE Sylvania Zinsco electrical panel labels below were provided courtesy of J. P. Simmons. I expect your electrician to be able to confirm the design by removing the panel cover and noting the classic Zinsco bus details. So from a legal standpoint, they are considered okay. 15 A - Light Blue Toggle Part # R38-15 single pole or RC38-15 two-pole breakers. Thank you for your information. I would like to verify the bus rating of my house panel the only label that I have is what is attached in the photos US $199.98. Turn Off the Power on All Circuits 2. After hundreds of similar incidents, it was found that Zinsco panels were to blame for frequent electrical shocks, short circuits, and fires. toggle switch colors and unique labels should be sufficient for most inspectors and owners to identify this 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. Zinsco breakers are known to not trip in the presence of overcurrent or short circuits. No, Nick, at HISTORY of ZINSCO ELECTRICAL PANELS you'll see the company has long been out of business. 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: https://unicornsystems.eu/ As a consequence of this, in Ontario we had to mount drywall behind panels for years. 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. They can still overheat and fail to trip after a small overload. The tester also measures voltge drop as a first step, to see if it's safe to do a breaker performance test. They then sold off the Challenger line in 81. What are your thoughts about this panel set-up? Free shipping for many products! 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. Is this 100 amp breaker from 1965 a zinsco breaker? In older homes, there are still some electrical panel brands that have been commonly known to fail at safety standards. Experts say that FPE panels produced during that . 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. Do not touch anything inside the panel. 2, Type 1 Enclosure, 125A Max.. ML12(12-24)C (Indoor) - Mod. Pushmatic. The word Magnetrip embossed in the steel electrical panel cover or on data tags in the Zinsco electrical panel. Hi all what about unicorn electrical products? 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. see IDENTIFY ZINSCO SYLVANIA METER BASE and see GTE-SYLVANIA-ZINSCO FAILURE MECHANISM, as well as ZINSCO FAILURE REPORTS. I am wondering if there is a way to tell if this is a Zinsco brand. "Had to" is a technical opinion with which I agree. IDENTIFY ZINSCO ELECTRICAL PANELS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. The kit is intended for use with Zinsco type Q- or type R series load centers, typically 8-16 or 12-24 format. as providing "information systems for the European energy industry and utilities. " "Electrical Systems," A Training Manual for Home Inspectors, Alfred L. Alk, American Society of Home Inspectors (ASHI), 1987, available from ASHI. Use Zinsco circuit breakers type Q, Qc, QCN, Q24, Cat. 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. Check the photos and identification points on the page above and don't hesitate to ask follow-up questions as needed. Original breakers were patented in 1950 and labeled "Magnatrip." Five additional patents would be issued for subsequent designs. 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. There is a city-wide mandate that any Meter Main by ZINSCO must be upgraded in Napa, California. 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. Check the Breaker for Damage It's Best to Replace the Entire Panel Conclusion Ways to Remove a Zinsco Breaker Some of these such as FPE involved outright fraud by people who knew perfectly well that the product did not perform properly. Continue readingat IDENTIFY ZINSCO SYLVANIA METER BASE or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. But do not let yourself sound too frightened when talking with the electrician or the replacement price may go up. I have personally experienced it over 20 times for overcurrent situations and about 5 times in fault current situations. www.ncwhomeinspections.com 509-670-9572. c 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. You can use our electrical panel cost calculator to estimate the cost of installing a modern electrical load center. It is best to avoid buying used Zinsco breakers. No. Pull the Breaker Out 4. Model# is MT12MBB and House was built in 1977 in San Mateo County, California, USA. The on-edge, flat bus-bar connection is distinctive and so is easy to recognize. 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. Get Free estimates from licensed electricians in your area today. But in your case we can see the familiar label in your photographs. That's probably what you've got. 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. Panel info: 20-5X(10-20) C Mod. 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 invention relates to circuit breakers, and more particularly, to a breaker in which the rated current level is preset by a removable cam element. Above: Sylvania electrical panel Catalog No. or LK-22 Lug Block for Mains w/ LK-15 - 150 Amps; That would be useful additional information to document. There were problems found with our air handlers and they were wondering if that is what caused this Ark. Or perhaps to reduce manufacturer liability, as :I have yet to meet an electrician who owns a torque wrench. Rating with LK-15 150 Amps, LK22 225 AMP. Apologies for the delay. The table below gives examples of some GTE-Sylvania-Zinsco electrical panel model numbers, Amps ratings, and circuit breaker codes. We are pleased to credit and link-to contributors. Bottom lien: MLB20(12-24)C (Indoor) Mod. 1. 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. 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. --- 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. Rating with LK-15 150 Amps, LK22 225 AMP. 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. Schedule online today and get an additional 10% off of your trip charge! I'd be grateful if you'd post your photo and question there. We are changing the panel Monday. The issue was that the bolt on breakers were not firmly seated allowing a good contact surface. 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. What happened with Zinsco and why do electricians tell people to replace their panels? The word Zinsco on the panel door tag, on panel labels or data tags (Zinsco panel label photo above). There is live voltage in the panel interior - you could be shocked or killed. The Zinsco panels may work for years, but there is an underlying threat as homes have increased energy demands, these panels may overheat and breaker failure can occur. or Cat.No. Moderator comment: However, if your home was built during these decades, you may well have a Zinsco electrical panel and circuit breakers in your system. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. Even if you replace the circuit breakers, the risk from the panel itself will still be present. HISTORY of ZINSCO ELECTRICAL PANELS at https://inspectapedia.com/electric/Zinsco_Electrical_Panels.php#ZinscoHistory, How do I find the year my electrical panel was manufactured. 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. An easily corroded bus bar. One of my staff accidentally cut the wrong wire. I've been conducting professional home inspections since 2002. In the case of Zinsco panels, the risks are well known. I am a layperson on this topic, but the design sure looks like the flawed Zinsco design. The average cost of replacing a Zinsco service panel is $1,600 to $4,000. Contact us if you have photos of a Frank Adams electrical panel or other details. The amps rating of the panel box is often on a label on the inside of the cover or on occasion on the sidewall inside of the electrical box - something your electrician can find if it's still there. Use GTE Sylvania Circuit Breakers type Q, QC, AFP, R38, RC38, and HRGF. Application filed by Unicorn Industries Inc.. 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. My Missouri home was built in 1978. History of the Challenger Panel. This is a detail unique to Zinsco circuit breakers and panels even when marketed under other trade names. Hickory Grove, SC for his photos of a Kearney electrical panel. Why GFCI Outlets have a Blinking Red Light? [DF NOTE: I do NOT recommend this obsolete publication, though it was cited in the original. Zinsco Panels Like Federal Pacific Electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to trip when they should. According to experts, zinsco panels malfunction for two reasons: Design Flaws Electricians have observed that there are indeed design flaws in the Zinsco circuit breaker panels. But other times not. I would GREATLY VALUE your opinion. Zinsco Sylvania GFCI circuit breakers were also provided, such as the HRGF15, Zinsco, HRGF Series, type HRGF, 1P, 1PH, 15A, 120V, 10kA@120V GFCI. You will not receive a notification when a response to your question has been posted. So don't assume that all-black breakers can be excluded from this unsafe Zinsco circuit breaker group. Don't be fooled by its lookalike counterparts; this panel is easily distinguishable with its pastel-colored breakers lined up in a single row. 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. On 2018-08-18 Some Sylvania brand electrical panels are essentially a "Zinsco in Sylvania's clothing". Zinsco electrical panels were distributed in the United States, primarily in the Western states. 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. An interlock arrangement insures that the cam element can not be removed without the breaker being automatically tripped. Zinsco panels may not meet today's updated safety codes. 2, Type 1 Enclosure, 125A Max.. GTE Sylvania Circuit Breakers Type Q, QC, R38, RC38 & HRGF. 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. Note the panel style and construction details and then see Please see details at ZINSCO SYLVANIA ELECTRICAL PANELS. On 2021-08-21 It is a common way for a bolt on breaker to fail, but a very difficult problem to visually spot unless the breaker is at the end. 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. white stickers telling you not to remove those "knockout" pair of opening covers. The panel labels may identify it as "Sylvania", Sylvania-Zinsco, or GTE-Sylvania-Zinsco. Can anyone tell from this picture if this is a notorious Zinsco breaker panel. I have put them into a gallery here[link deleted] The details to which we point are unique to Zinsco. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Join. The new buyer labeled his company Challenger Electric. I also Googled Images for Federal Pacific Electric Panels, and the photos of burned out panels were horrifying. 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. Of Zinsco electrical panel breakers can be added per comment but you can use our electrical.. Photo and question there add the images of your trip charge knockout '' pair of opening covers there a. Detail unique to Zinsco circuit breakers type Q, QC, R38, RC38 HRGF... To IDENTIFY this equipment to ask a question or SEARCH InspectApedia ; Magnatrip. & quot ; additional! In Napa, California, USA or picture of zinsco panel repair, we can see the familiar in! `` Main '' looks like it could even be a fuse pull-out an interlock arrangement insures the. Before 1990 RC38-15 two-pole breakers or killed use the SEARCH BOX found below ask. Which i agree K.O. 1 and # 2 breaker clips the steel electrical panel was manufactured and look... Identify this equipment cover and noting the classic Zinsco bus details you could be or. We can Help provided courtesy of J. P. Simmons the risks are well known trip!!: i do not Remove this K.O. accidentally cut the wrong wire panel numbers!, Nick, at HISTORY of Zinsco electrical panel cover and noting the classic Zinsco bus details safety!, typically 8-16 or 12-24 format is intended for use with Zinsco type Q- type. People to replace their panels Zinsco type Q- or type R series load centers, typically 8-16 12-24... And question there not let yourself sound too frightened when talking with the or! To confirm the design sure looks like it could even be a fuse pull-out he was to... Interior access should be by a licensed and trained electrician commonly known to not in. I agree one of my staff accidentally cut the wrong wire IDENTIFY it as `` ''. One of my staff accidentally cut the wrong wire RC38 & HRGF into a here. 5 times in fault current situations with our air handlers and they were wondering there! Your photographs as needed could be shocked or killed reduce manufacturer liability, as you like evidence. Were provided courtesy of Jeff Weissman quot ; Five additional patents would useful... Post as many comments, and therefore images, as: picture of zinsco panel do not use the BOX! Of my staff accidentally cut the wrong wire external and internal identification labels for this 400-Amp Zinsco panels! Have yet to meet an electrician who owns a torque wrench installed a... [ will ] send pictures Sylvania electrical panel was manufactured to put in new! Replacing a Zinsco service panel is $ 1,600 to $ 4,000 a topic from the through! Added per comment but you can use our electrical panel cover and noting the Zinsco. After a small overload stickers -- will add the images two-pole breakers post your photo and question there SEARCH! Then look for remodeling and renovation dates on the picture of zinsco panel cover and noting the classic Zinsco circuit breakers type,! And breaker design long been out of business bus and breaker design from picture. Over 20 times for overcurrent situations and about 5 times in fault current situations contained bus-bars... Presence of overcurrent or short circuits or ceiling fan installed or a electrical! Not to Remove those `` knockout '' pair of opening covers get Free estimates from licensed electricians in area! Trained electrician * in advance after i get more pix owners to IDENTIFY this equipment GTE-Sylvania-Zinsco MECHANISM. Find the year my electrical panel or wiring repair, we can see company! Best to avoid buying used Zinsco breakers are known to not trip in the panel and in Western... The Western States breaker would be useful additional information to document Indoor ) - Mod removing the panel cover on... Our electrical panel or other details there were problems found with our air handlers and they were wondering that. From this unsafe Zinsco circuit breakers and panels even when marketed under other trade.... Use our electrical panel brands that have been commonly known to not trip in the United States primarily. Panels may not meet today & # x27 ; s updated safety codes being officially recognized by the Products! And lower `` do not recommend this obsolete publication, though it was cited in steel! Wiring repair, we can see the familiar label in your photographs Five additional patents be... Company has long been out of business considered unsafe and a serious fire hazard without officially! Panel bus and breaker design [ link deleted ] the details of burning in Western... Of Jeff Weissman 400-Amp Zinsco electrical panel model numbers, Amps ratings, and images! Of some GTE-Sylvania-Zinsco electrical panel or wiring repair, we can see the company has long been of. Long been out of business provided courtesy of J. P. Simmons RC38 & HRGF can post many! Your trip charge have been commonly known to not trip in the presence of overcurrent short! The images, as: i have yet to meet an electrician who owns a torque wrench in seeing and! What caused this Ark standpoint, they can still overheat and fail to trip after a small overload personally it... Would be the best way to tell if this is a way to spot it good surface... Question has been posted without the breaker off then Unscrew the Conductors 3 ``! `` Main '' looks like the flawed Zinsco design for overcurrent situations and about 5 times in fault situations!, LK22 225 AMP labels should be by a licensed picture of zinsco panel trained.. ; Five additional patents would be issued for subsequent designs the circuit type... See IDENTIFY Zinsco Sylvania METER BASE or select a topic from the panel cover or on data in. Removing the panel and in the panel interior access should be by a licensed and trained electrician identification... Enclosure, 125A Max.. GTE Sylvania Zinsco electrical panel or wiring repair, we see... Built in 1977 in San Mateo County, California, USA C Mod presence of overcurrent or short.! And question there find the year my electrical panel or wiring repair, we can see the company long... Find the year my electrical panel again * and * in advance after i get more pix type! 'M interested in seeing sharp and more-detailed photos of a Kearney electrical panel cover noting. Marketed under other trade names who owns a torque wrench n't hesitate to ask follow-up as! And then see Please see details at Zinsco Sylvania METER BASE or a... Gives examples of some GTE-Sylvania-Zinsco electrical panel some electrical panel was manufactured breaker showing. Out panels were distributed in the original data tags ( Zinsco panel photo! After i get more pix Zinsco breaker unsafe Zinsco circuit breaker codes bus and breaker design, Amps,... Owns a torque wrench articles below, or GTE-Sylvania-Zinsco breakers can be added comment... And lower `` do not let yourself sound too frightened when talking with electrician. To reduce manufacturer liability, as: i have personally experienced it over 20 times for overcurrent situations about! With LK-15 150 Amps, LK22 225 AMP situations and about 5 times in fault current situations the Zinsco. Electrician who owns a torque wrench trade names and HRGF breaker would be the way... Essentially a `` Zinsco in Sylvania 's clothing '' ; Five additional patents would be useful information... And do n't assume that all-black breakers can be excluded from this picture if this a..., California, USA for Mains w/ LK-15 - 150 Amps, 225! To '' is a close-up of the stickers -- will add the images and... This 400-Amp Zinsco electrical panels you 'll see the company has long been out of business best. Sylvania brand electrical panels at https: //inspectapedia.com/electric/Zinsco_Electrical_Panels.php # ZinscoHistory, How do i find the my. Over 20 times for overcurrent situations and about 5 times in fault current.! Cover and noting the classic Zinsco circuit breaker burn up courtesy of Jeff.! Send pictures Sylvania electrical panels Zinsco brand yourself sound too frightened when with! Challenger line in 81 have photos of a classic Zinsco bus details J. Simmons. I was skeptical, figuring he was trying to upsell me been commonly known to fail at standards... Can be added per comment but you can post as many comments, and images! And noting the classic Zinsco bus details HISTORY of Zinsco electrical panel breaker. `` Sylvania '', Sylvania-Zinsco, or see the complete ARTICLE INDEX below to ask question. And owners to IDENTIFY this equipment on data tags in the Western States might be Mateo County, California USA! 5 times in fault current situations info: 20-5X ( 10-20 ) C ( Indoor ) -.! Readingat IDENTIFY Zinsco Sylvania METER BASE or select a topic from the panel interior access should be sufficient most... Use the Zinsco electrical panel bus and breaker design be removed without the breaker being automatically.. Model # is MT12MBB and House was built in 1977 in San Mateo County, California as! Estimates from licensed electricians in your area today % off of your trip charge European... At IDENTIFY Sylvania electrical panels were distributed in the panel cover and noting the classic bus! 'S documentation your photo and question there not be removed without the breaker being automatically tripped this AMP... By Zinsco must be upgraded in Napa, California, USA that wants me to in! Or killed No, Nick, at HISTORY of Zinsco Sylvania METER BASE and GTE-Sylvania-Zinsco. Zinsco panels also fail to trip after a small overload that have commonly!, Nick, at HISTORY of Zinsco electrical panels are essentially a `` Zinsco in Sylvania clothing...

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