July 29, 2026
How to Identify Your Electrical Panel Brand — and Which Ones NYC Homeowners Should Worry About
That gray or beige metal box in your basement, hallway, or stairwell runs every circuit in your home — but most New Yorkers have never looked closely at it. The brand stamped on it matters more than you'd think. A handful of panel makes installed in NYC homes from the 1950s through the 1980s have a documented history of failing to do their one critical job: shutting off power before a wire overheats. Here's how to find out what you have, and which names should put you on alert.
Where to look — and how to look safely
Finding your panel's brand takes about two minutes and doesn't require touching anything live.
- Check the cover first. Many panels have the manufacturer name printed right on the front door or cover — Square D, Siemens, Eaton (or its older "Cutler-Hammer" name), GE, or an older brand like Federal Pacific.
- Open the outer door (the one in front of the breaker switches). Look for a label, sticker, or stamped metal plate listing the manufacturer, model number, and amperage rating.
- Read the breakers themselves. Individual breaker switches usually carry the brand name or logo. If they all match, that's a strong clue to the panel's make.
One safety rule: open only the outer door. Never unscrew the inner metal cover — the "dead front" — that sits over the wiring and bus bars. Behind it are energized parts that can cause a serious shock or arc flash. Reading the label is something any homeowner can do; anything beyond that is an electrician's job.
The brands to worry about
Most older panels are simply outdated, not dangerous. But three older makes have earned a bad reputation, and two of them — Federal Pacific and Zinsco/Sylvania — turn up again and again in NYC's older housing stock.
Federal Pacific Electric (FPE) "Stab-Lok"
If your home was wired before the early 1980s, this is the big one. Independent testing has repeatedly found that FPE Stab-Lok breakers can fail to trip during an overload — in lab studies, a large share of the breakers tested didn't trip as they should — meaning a wire can keep heating up with no shutoff. Some breakers have even tested as energized while switched to "off." Look for "Federal Pacific," "FPE," or "Stab-Lok" on the panel or breakers, often with red-tipped breaker handles. These panels have no reliable repair; replacement is the fix electricians and inspectors recommend.
Zinsco / Sylvania (and "GTE-Sylvania")
The other major problem brand. Zinsco panels — sometimes labeled Sylvania, Sylvania-Zinsco, or GTE-Sylvania — are known for breakers that can melt onto the aluminum bus bar instead of tripping, so the breaker no longer protects the circuit and may not even shut off when you flip it. The giveaway is often a row of brightly colored breaker tabs — red, blue, and green. Like FPE, these were never officially recalled, but many insurers now refuse or flag homes that still have them.
Pushmatic / Bulldog
Less infamous but still aging out. These older panels use a push-button design (no flip switches) and rely on thermal-only tripping, so they tend to develop stiff, unreliable breakers over decades. Not an automatic emergency, but worth an evaluation if yours is original to a pre-war or mid-century home.
By contrast, panels from Square D, Siemens, Eaton/Cutler-Hammer, and GE are the industry-standard, currently manufactured brands. If you have one of these in good condition with adequate capacity, you likely don't need to do anything beyond routine attention.
Warning signs, whatever the brand
Brand aside, call an electrician if you notice any of these:
- A burning or "hot plastic" smell near the panel, or visible soot, scorching, or melted spots
- Breakers that trip often, or feel warm or buzz
- Flickering or dimming lights when large appliances kick on
- A panel that's rusted, painted over, or has empty slots stuffed with mismatched breakers
If any of those sound familiar, it's worth getting a professional panel inspection before the problem grows.
What to do if you have a problem brand
Confirming an FPE or Zinsco label isn't cause for panic, but it is cause for action. In New York City, replacing a panel is regulated work: it requires a permit, and under the NYC Electrical Code the job must be done — and the application filed — by a NYC Licensed Master Electrician. A full panel replacement is then closed out with a Department of Buildings inspection. If you're also increasing your service amperage (say from 100A to 200A), that involves coordinating with Con Edison on the utility side, which can add time to scheduling. A licensed contractor handles all of that for you.
A proper electrical panel replacement swaps the hazard for a modern, code-compliant panel and gives you room to add circuits for an EV charger, a heat pump, or a kitchen remodel down the line.
Not sure what's behind your panel door? Send us a photo of the label or have us take a look in person. Call Chazon Electric at (718) 924-8062 — we'll tell you straight whether your panel is fine, aging, or one of the brands worth replacing.
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