Zinsco electrical panels have been known to have potential hazards such as circuit breakers failing to trip, leading to overheating and fires. Additionally, the panels may have issues with proper grounding and can pose a risk of electric shock. It is recommended to have these panels inspected and replaced by a qualified electrician to ensure safety.
No, you should not use a Murray breaker in a Zinsco panel. Zinsco panels have a unique design that can cause compatibility issues with breakers from other brands, potentially leading to safety hazards. It's important to use breakers that are specifically designed for Zinsco panels to ensure proper fit and function. Always consult a qualified electrician for any electrical panel modifications or repairs.
The compatibility of a 50 amp Zinsco breaker with your electrical panel depends on the specific model and specifications of your panel. It is recommended to consult with a licensed electrician to ensure proper compatibility and safety.
They are not at all safe and are junk that needs to be recycled and never installed even in a barn let alone a home. Zinsco company went out of business partly because it was discovered that their breakers did not trip when they were supposed to. For this reason they are nothing but a fire hazard and are not to be trusted to protect the wiring in your home or your family from a fire. Do not use any Zinsco or FPE service panel. Destroy this panel so that no one can ever use it.
To my knowledge Zinsco/Sylvania breakers are the only breakers that will fit in a Zinsco panel. My recommendation as a journeyman electrician is to have your panel changed out. Those panels are old and outdated, not to mention replacement breakers are expensive. Most newer panels, and breakers are the cost of about 2 replacements.
Zinsco circuit breakers can be purchases in store at Lowe's and Home Depot. Online retailers that one can purchase from are CBSales, Electrics Supply, and Tool Workshop.
Excerpted from: http://www.inspect-ny.com/aircond/aircond15g.htm When testing a compressor, one must discharge the capacitor first! It'll otherwise have enough power stored on it to be at least very painful. (Author and others have been zapped!) Some systems will automatically discharge the capacitor, but shorting its leads with a screwdriver (after verifying that the power's off) is a safe way to ensure that you won't get shocked. Motor starting capacitors can hold a charge for days! If oil has leaked out of a capacitor: Don't touch any oil that leaked out: old capacitors may contain PCB oils, an extremely carcinogenic (cancer causing) material which require special disposal. Once the capacitor has been discharged (as described just above), then it can be tested with a multi meter. Either use the meter's built in capacitor test function, or use this trick: Charge the capacitor by using the sense current the meter puts out when set to ohms. You should observe a rapidly rising resistance before the meter indicates over range/infinity. Disconnect the test leads, and switch over to volts. Then, reconnect the test leads. A voltage reading should be observed, approaching zero. If the capacitor doesn't hold a charge, or the resistance reading never approaches infinity, it probably needs replacement. Also, the capacitor may be defective if the compressor hums but does not start. Visual inspection may reveal it to be bulged, or have a blown out safety plug. References and More Reading:"Troubleshooting Compressor Problems," Henry Puzio, Fuel Oil & Oil Heat with Air Conditioning Magazine, June 1993, p. 39Tom Morris, Engineer, capacitor discussion and correction to the original data. Email to D Friedman 5/29/2006 - Thanks Tom for critical editing. The text above explaining about capacitors was suggested by Mr. Morris. The original text of the 1993 compressor diagnosis article had the resistance explanation backwards.Federal Pacific Electric (FPE) Website Stab-Lok Circuit Breaker Panel Hazards Latent fire hazardsZinsco Electrical Circuit Breaker Failures: overheating, failure to trip, burn-ups involving Zinsco and certain Sylvania electrical panel components
GE circuit breakers with catalog numbers ranging from THQL1115 through to THQL1150 can be substituted like for like with Cutler-Hammer circuit breakers coded CL115 through to CL150, ITE Siemens circuit breakers coded Q115 through to Q150 and Square D circuit breakers coded HOM115 through to HOM150. These are single pole breakers. GE circuit breakers with catalog codes from THQL2115 through to THQL2150 can be substituted with Cutler-Hammer circuit breakers CL215 through to CL250, Square D circuit breakers HOM215 through to HOM250 and ITE Siemens circuit breakers Q215 through to Q250 of the same amperage and voltage. These are double pole breakers.