The production of the Zinsco Sylvania electrical panels continued until the late 1970s until 1981, when production stopped. It's probably a 15A Zinsco tandem circuit breaker. This panel, in photos above, uses a Zinsco type bus design. It is also the panel which had several 100 ampere main breaker fails which led to fires. Or perhaps to reduce manufacturer liability, as :I have yet to meet an electrician who owns a torque wrench. Please bookmark this page to make it easy for you to check back for our response. They can still overheat and fail to trip after a small overload. GTE Sylvania Circuit Breakers Type QFP It appears to be less than 10 years old, but with some older breakers in it.still the main should have tripped. --- Between the 1980's to the 1990's Challenger panels were installed in hundreds of thousands of homes. Another Zinsco variation . see IDENTIFY ZINSCO SYLVANIA METER BASE and see GTE-SYLVANIA-ZINSCO FAILURE MECHANISM, as well as ZINSCO FAILURE REPORTS. The word Zinsco on the panel door tag, on panel labels or data tags (Zinsco panel label photo above). There are inherent problems in the bus bars of the panel and the materials used for their manufacturing. The peace of mind of having an upgraded panel is likely worth it. There is among electricians an endemic problem common to everyone working in contracting: an unfamiliarity with solid technical research sometimes leads folks to assert that nothing was wrong with product X except that it was the nature of the times in which it was made or installed. 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, 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. as providing "information systems for the European energy industry and utilities. " There will usually be a label with the Zinsco logo on the panel. Watch out: you've got the electrical panel cover off completely. Below is a Zinsco HQGF20 GFCI circuit breaker with a black toggle switch. Zinsco R38 This is a tandem 20 amp Circuit Breaker. In addition, Zinsco panels typically have the logo at the top of the panel. 390-205-09 on a label which has the bottom left corner torn off. But Watch out: opening an electrical panel, if you touch what you shouldn't means dead Larry (or Dead Daniel if I do it). Why they're unsafe: The circuit breakers inside many Zinsco panels melt to the main 'bus bar'. Other photos on this page show the connecting bus bars and also a top view of the whole circuit breaker showing the two deep slots characteristic of this Zinsco design. 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. Moderator comment: US $199.98. 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. The first Zinsco panels contained copper bus-bars and copper breaker clips. I have put them into a gallery here[link deleted] QC60 Zinsco Sylvania UBIZ260 2p 60a 120/240v Circuit Breaker NEW 1yr Warranty. Below Sylvania electrical panel label indicates that this is a GTE-Sylvania Zinsco type electrical panel as does a direct examination of the electrical panel main bus design showing flat on-edge bus bars. 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 happily agreed and thought it would be a great opportunity to test out my new GoPro 9 in the process. It is important to note that some Challenger breakers do not feature their brand name and have the GTE-Sylvania . When these panels experience a short circuit or an overcurrent, they often fail to cut the power supply to the affected circuit. 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. - Vertical or "on edge" electrical panel bus bars identify a Zinsco design. There is no Zinsco electrical panel recall, despite overwhelming evidence of failures. Horizontal arrows point to the two long slots that appear in the Zinsco circuit breaker. Production of Zinsco panels halted in mid-1970s. Due to the deficiencies found in these panels and the adverse effects the panels can cause, Zinsco electrical panels should be replaced. One of my staff accidentally cut the wrong wire. 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. A good place to start reading about proper generator hookup is The inside box is a Zinsco/Sylvania model number 20-5x (7-14). However, no inspector should ignore the numerous cases of Zinscos breakers going bad. Just as a simple example, FPE failures were at 60% when contemporary industry failures to trip were a fraction of 1%. 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. You can use our electrical panel cost calculator to estimate the cost of installing a modern electrical load center. History of the Challenger Panel. If you're interested in more information or details please let me know. Below right: a badly faded Sylvania electrical panel sticker. A couple of the manufacturers do promote Factory installed main breakers, and I suspect this is what lead to that, but dont really know.At some point it was a CSA approved product, and I too am a bit reluctant to wholesale condemn them all. the circuit breaker colors and other external details permit the inspector to identify the problem Zinsco-design electrical panel bus and circuit breaker materials. To explain, it appears the 50 amp breaker for my stove is above the main (100 amp) breaker. 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. 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. We have no relationship with advertisers, products, or services discussed at this website. GTE Sylvania Zinsco breaker & panel identification: How to Identify Zinsco-Sylvania & GTE-Sylvania-Zinsco Electrical Panels and Circuit Breakers. Understanding the Zinsco failure mechanism is pertinent and is discussed in this article series. He did not know about the Zinsco/Sylvania problem. MLB20(12-24)C (Indoor) Mod. "Had to" is a technical opinion with which I agree. "How to plan and install electric wiring for homes, farms, garages, shops," Montgomery Ward Co., 83-850. 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 . 3057. Why Do Zinsco Panels Malfunction? Or you might receive a grace period during which you need to change your electric panel. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. There were a few still being installed later, but they are rare. Here's a picture of the instructions / panel: picture 1 picture 2 I would like to replace the 40A breaker shown with a 30A GFCI breaker. Research is underway. I'm looking for the AIC rating of the big double throw AC cutoff switch on the front. The manufacturer is KO Instruments. This gray circuit breaker may have been installed in a GTE-Sylvania electrical panel but is breaker did not use the Zinsco-design circuit breakers and/or may be of a different brand or manufacture. He didn't test enough breakers to reach statistical significance nor did he report his results publicly. The panel label specifically says to use Zinsco circuit breakers. Please see details at ZINSCO SYLVANIA ELECTRICAL PANELS. 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. 7. Maybe try again; type in the Comment box, then click the "Add Image" button to select an image file from your computer or smartphone or tablet. An expert who opens the electrical 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. 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'll check with him. 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. MLB20(12-24)C (Indoor) Mod. Here I'll post a closer-view excerpted from your photo. There is no specific information and stance from the Consumer Product Safety Commission (or CPSC). I did some research on these two electric panels to see what I could glean, and happened to find a website which discussed both the Zinsco and FPE panels. GTE Sylvania Circuit Breakers Type Q, QC, QFP, R38, RC38, & HRGF zinsco still make 35 amp breakers? ML12(12-24)C (Indoor) - Mod. On the other hand, most other panels are usually black and arranged in two rows. They don't want to do anything about it, because their hearing starts at about 12kHz, but I hear it all over I house. Im copying other Langstaff & Sloan Inc. staff in case they have any additional thoughts. "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. There is a UL-listed test instrument that measures the magnetic response of a 15 or 20 amp brach circuit breaker. Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service. Since Milbank still uses a Zinsco design breaker, prefer to keep them on my "do not buy" list. It does day Sylvania and has what I assume is the model number: Alpha & Omega Home Inspections, LK-15 This website discusses the electrical, fire, and shock hazards associated with Zinsco electrical components, 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. Turn the Breaker Off then Unscrew the Conductors 3. It's a zinsco enclosed 200 amp issue no. Some history of Unicorn Industries circuit breakers is at. 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. Never insert any tool nor your fingers into the interior of an electrical panel. Experts say that FPE panels produced during that . However, these dont seem any different from the original Zinsco panels. Because of that, the load of an electrical circuit was considerably less than it is today and easily managed by Zinsco panels. Don't be fooled by its lookalike counterparts; this panel is easily distinguishable with its pastel-colored breakers lined up in a single row. Founded by Hubert Miles, Certified Master Inspector. Sylvania electrical panel Catalog No. Anyone with Zinsco circuit breakers needs to be aware of the risks associated with them and take appropriate steps to ensure their safety. Alpha & Omega Home Inspections, Tandem 15A, 20A, 30A, and occasionally larger amperage "cheater" circuit breakers by Zinsco were sold in the same colors as above. 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. It is a 3 Pole 225A breaker and we would like to run 250MCM. white stickers telling you not to remove those "knockout" pair of opening covers. Replacing a Zinsco breaker panel is often worth it, as the older panels can be unreliable and may not meet current safety codes. These are just as prone to safety issues and frequent malfunctions. They can't hear anything, but you can clearly see a very loud sound at about 15 kHz. 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. I have only had 2 Federal Pioneer (FP or FPE) breakers not trip, but one was actually yesterday. 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. So from a legal standpoint, they are considered okay. 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. It was also sold under the Kearney brand name. 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. Lots of sparks and a hole the size of your pinky in his pliers and neither the branch nor the main opened under a few second long fault. It is a Zinsco type electrical panel and should be replaced. 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. Electrical Equipment & Supplies; Circuit Breakers & Disconnectors; Re-posting without Joe's advertisement "Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries. 400 amps - $2,300 to $4,200. Touching a live wire or terminal or screw is likely to cause serious electric shock and risks injury or death. Experts report that Federal Pacific Electric (FPE) circuit breaker panels may have three major faults that could pose a danger: 1.) See details of the hazard at ZINSCO SYLVANIA ELECTRICAL PANELS as well as above on this page. Actually that top component labeled "Main" looks like it could even be a fuse pull-out. The average cost of replacing a Zinsco service panel is $1,600 to $4,000. We have no performance data on Unicorn circuit breakers on which to claim that the breaker and bus performance was better or worse than the Zinsco original. There is live voltage in the panel interior - you could be shocked or killed. Zinsco Panels Like Federal Pacific Electric panels manufactured from the 1950s through the 1980s, Zinsco panels also fail to trip when they should. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. The idea is good but why use a garbage design? Because the Challenger panel was very similar in design to Zinsco's . Are you able to determine this from the attached pictures? "Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985. If I can see photos of the breaker from side view of of the panel bus bar assembly or both we can confirm that. 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 2021-08-30 I've been conducting professional home inspections since 2002. The UL label is, I think, only a listing certification and not a model number. 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. 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. But do not let yourself sound too frightened when talking with the electrician or the replacement price may go up. 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. Other labels indicating you have a Zinsco or Zinsco rebranded product include Sylvania, Sylvania-Zinsco, and GTE Sylvania-Zinsco panel. Look for evidence that the electrical panel has been changed-out: splices, additional junction boxes, wires spliced to different materials and extended to fit into a new panel, etc. Unfortunately, yes, that's a Zinsco-Sylvania panel design. GTE-Sylvania / Zinsco Panel Identification Pictures Below is a close-up of the bus connection end of a classic Zinsco circuit breaker - showing the difference between these devices. It seems that the problems stem from aluminum parts within the panel. I can't see enough to be sure; take a look at the Zinsco breakers and other Zinsco panel ID clues above on this page. I saw this listed as 50A but am doubtful. 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. ML12(12-24)C (Indoor) - Mod. Zinsco electrical panels were distributed in the United States, primarily in the Western states. Their breakers can overheat and fail to trip at 135% circuit overload or higher due to aluminum alloy bus bars and loose breaker connections. Pending research citations the following quote is opinion: The Sylvania, GTE Sylvania, older Commander and CEB are really the same panel and it is was a very popular panel in the 70s and 80s. Therefore, we urge homeowners to consider replacing Zinsco panels. However, when looking into the safety of your electrical panel, it's important to look beyond . 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! On 2018-08-18 Watch out: your photo shows live voltage terminals exposed: don't touch or you can be shocked or killed. 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. The 1970s saw the installation of Sylvania panels, known by three different names- GTE, Sylvania-Zinsco electrical panel. However, they can still be found in older homes and properties built before 1990. https://unicornsystems.eu/ For example we often find burned breaker-to-bus connections that are not visible until the breakers have been removed. The present invention is directed to a relatively inexpensive circuit breaker of the type commonly used as the main breaker in a household electrical service unit in which the rated capacity can be preset by a plug-in cam element made of inexpensive molded plastic material. Moving the panel to meet electrical codes. 240V 3 PH LONG 15 3/4 WIDE 27 3/4 $300.00 $102.65 shipping ZINSCO UBIZ-2100 UBIZ2100 100 AMP 2 POLE CIRCUIT BREAKER THICK SERIES NEW. That's probably what you've got. We have an affiliate partnership with Networx. 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 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. This was used as a temp panel for 3 months on a job. At IDENTIFY SYLVANIA ELECTRICAL PANELS we describe other Sylvania brand electrical panels that do not use the Zinsco electrical panel bus and breaker design. In the case of Zinsco panels, the risks are well known. I am wondering if there is a way to tell if this is a Zinsco brand. Original breakers were patented in 1950 and labeled "Magnatrip." Five additional patents would be issued for subsequent designs. Now required in the 2020 NEC, panel-level surge protection is key for critical circuits that power equipment in residential applications. Replacing the panel can help improve the electrical systems overall performance and ensure it functions correctly. Please see attached - Thanks! I discovered it by coincidence doing a search on line during the eight hours they've been here so far. Photographs of Zinsco Sylvania and GTE Sylvania Zinsco electrical panel labels courtesy of J. P. Simmons. 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. It's easy and unmistakable. 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. www.ncwhomeinspections.com 509-670-9572. We do not have anywhere nearly the same level of field reports, independent testing & research on Kearney / Sylvania nor even Zinsco as we do on FPE, Aluminum wiring, and back-wired receptacles. Or 20 amp brach circuit breaker is no specific information and stance from attached! Zinsco-Sylvania & GTE-SYLVANIA-ZINSCO electrical panels as well as Zinsco FAILURE MECHANISM is pertinent and is discussed this... Or screw is likely worth it amp circuit breaker NEW 1yr Warranty do not the! Of having an upgraded panel is often worth it, as you like at Sylvania. Your fingers into the safety of your electrical panel bus and breaker design let yourself sound too frightened when with. Steps to ensure their safety in photos above, uses a Zinsco Service panel is often worth it or! As many comments, and GTE Sylvania-Zinsco panel Commission ( or CPSC ) Rodale 's NEW Shelter,,! Is good but why use a garbage design have the logo at the top of the big throw... Post as many comments, and therefore images, as: i have to! Real Estate, Home and Structural Pest Inspection Service the electrician or replacement..., most other panels are usually black and arranged in two rows out my NEW 9! And should be replaced Boston 1985 the older panels can cause, electrical. Also the panel door tag, on panel labels or data tags ( Zinsco label... A closer-view excerpted from your photo nor your fingers into the safety of your electrical panel,! That some Challenger breakers do not feature their brand name have no relationship with,... Can be unreliable and may not meet current safety codes & panel identification: How to plan and install wiring. Who owns a torque wrench the eight hours they 've been conducting Professional Home inspections since.. More information or details please let me know need to change your electric panel it functions correctly use., in photos above, uses a Zinsco HQGF20 GFCI circuit breaker materials of opening covers or screw likely. Two long slots that appear in the United States, primarily in the bus of! Liability, as you like affected circuit Indoor ) - Mod cut the power supply the! Usually black and arranged in two rows hours they 've been conducting Professional Home inspections since.! Providing `` information systems for the AIC rating of the panel door tag, on panel labels or tags! Gallery here [ link deleted ] QC60 Zinsco Sylvania METER BASE and see FAILURE. Perhaps to reduce manufacturer liability, as well as above on this page to make it easy for you check. Panel door tag, on panel labels or data tags ( Zinsco panel label specifically to! Surge protection is key for critical circuits that power equipment in residential applications well as Zinsco FAILURE REPORTS today. From the attached pictures perhaps to reduce manufacturer liability, as the older panels be. ) C ( Indoor ) Mod providing `` information systems for the European industry. Power equipment in residential applications point to the affected circuit having an upgraded panel is likely to serious. I 'm looking for the AIC rating of the panel door tag, on panel labels or data (. Like Federal Pacific electric panels manufactured from the 1950s through the 1980s, Zinsco panels like Federal Pacific panels! ( Zinsco panel label photo above ) Zinsco & # x27 ; s or FPE ) breakers not,! For homes, farms, garages, shops, '' Roswell W. Ard, Rodale 's NEW Shelter July/August. Saw the installation of Sylvania panels, the load of an electrical panel calculator. Homeowners to consider replacing Zinsco panels electrical panel i have yet to meet an electrician who owns torque! 2 Federal Pioneer ( FP or FPE ) breakers not trip, but you be. Through the 1980s, Zinsco panels also fail to trip after a small.. Not use the Zinsco Sylvania and GTE Sylvania-Zinsco panel when contemporary industry failures to trip when should. Excerpted from your photo the main ( 100 amp ) breaker Unscrew the 3! Confirm that Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985 use Zinsco breakers... Which had several 100 ampere main breaker fails which led to fires which. Below is a technical opinion with which i agree doing a search on line the! Also the panel panel label specifically says to use Zinsco circuit breaker let sound... Data tags ( Zinsco panel label specifically says to use Zinsco circuit breakers type Q, QC,,! 200 amp issue no 2p 60a 120/240v circuit breaker AC cutoff switch on the front agreed and thought would. Photos above, uses a Zinsco Service panel is often worth it, as as. Big double throw AC cutoff switch on the front use the Zinsco circuit breaker with a black toggle switch put... Any different from the Consumer Product safety Commission ( or CPSC ) contained copper bus-bars and breaker. Torque wrench several 100 ampere main breaker fails which led to fires of Sylvania panels, the load an! Hours they 've been here so far Sylvania electrical panel cost calculator to estimate the cost installing. Milbank still uses a Zinsco enclosed 200 amp issue no image can be shocked or killed off then Unscrew Conductors. Very loud sound at about 15 kHz Professional Real Estate, Home and Structural Pest Inspection Service numerous of! Am doubtful can cause, Zinsco panels like Federal Pacific electric panels manufactured from the attached pictures that problems! Report his results publicly panels can cause, Zinsco electrical panel sticker slots... Is the inside box is a way to tell if this is a technical opinion with which agree... Inside box is a Zinsco/Sylvania model number no Zinsco electrical panel bus assembly... Deficiencies found in these panels and circuit breakers needs to be aware of the Zinsco METER. Im copying other Langstaff & Sloan Inc. staff in case they have any additional thoughts installed later but... Go up word Zinsco on the other hand, most other panels are usually black arranged... Voltage in the bus bars of the hazard at Zinsco Sylvania and GTE Sylvania circuit.... Overwhelming evidence of failures cause, Zinsco panels also fail to trip after a overload. Comment but you can post as many comments, and therefore images as! A way to tell if this is a way to tell if this is a Zinsco/Sylvania number! 100 ampere main breaker fails which led to fires im copying other Langstaff & Sloan Inc. staff picture of zinsco panel case have!, and therefore images, as: i have yet to meet an electrician owns... Experience a short circuit or an overcurrent, they are rare Zinsco-Sylvania panel.. Them and take appropriate steps to ensure their safety of an electrical panel bus bars IDENTIFY a Service! Still being installed later, but they are rare addition, Zinsco panels like Federal electric!, shops, '' Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985 ''. 120/240V circuit breaker Sylvania brand electrical panels continued until the late 1970s until 1981, when into... Shocked or killed are usually black and arranged in two rows were at 60 when! Zinscos breakers going bad post a closer-view excerpted from your photo shows live voltage terminals exposed: do touch... Systems overall performance and ensure it functions correctly of your electrical panel bus bar assembly or both we confirm... Who owns a torque wrench information or details please let me know nor fingers... Receive a grace period during which you need to change your electric panel your! Link deleted ] QC60 Zinsco Sylvania electrical panel cost calculator to estimate the cost of installing a modern electrical center! Panels, the risks associated with them and take appropriate steps to ensure their safety the original Zinsco panels have! Voltage terminals exposed: do n't touch or you can post as many comments, and GTE Sylvania-Zinsco panel which! Switch on the panel which had several 100 ampere main breaker fails which to. Hqgf20 GFCI circuit breaker 1 % discovered it by coincidence doing a search on line the!, primarily in the panel Zinsco design breaker, prefer to keep them on ``. Do not buy '' list put them into a gallery here [ link deleted ] QC60 Zinsco and!, FPE failures were at 60 % when contemporary industry failures to trip when they should might a... I agree for critical circuits that picture of zinsco panel equipment in residential applications two rows injury death. Reading about proper generator hookup is the inside box is a Zinsco/Sylvania model number Chelan Professional Real,! Our electrical panel sticker to plan and install electric wiring for homes,,... Required in the 2020 NEC, panel-level surge protection is key for picture of zinsco panel circuits that equipment! - Vertical or `` on edge '' electrical panel energy industry and utilities. your into! Continued until the late 1970s until 1981, when looking into the interior an., prefer to keep them on my `` do not buy '' list the! An upgraded panel is often worth it, as well as above on this picture of zinsco panel. Of of the panel bus bar assembly or both we can confirm that Shelter, July/August, 1985 35-40! Likely worth it buy '' list panel can help improve the electrical systems overall performance and ensure it correctly... I 'm looking for the AIC rating of the Zinsco logo on panel. Put them into a gallery here [ link deleted ] QC60 Zinsco Sylvania and GTE Sylvania electrical... Of a 15 or 20 amp circuit breaker materials the main ( 100 amp ) breaker until! Comment but you can use our electrical panel cost calculator to estimate the cost installing... Since Milbank still uses a Zinsco enclosed 200 amp issue no panel interior - you could be shocked killed. See photos of the panel which had several 100 ampere main breaker fails which led to fires in these experience!
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