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EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
Mon-Fri 08:00 AM - 05:00 PM
EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
Mon-Fri 08:00 AM - 05:00 PM
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09 Jul, 2026
Posted by Amir Azimipour
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What Brands of Electrical Panels Should I Avoid?

Electrical Q&A
What Brands of Electrical Panels Should I Avoid?

Most modern electrical panels from established manufacturers are safe and reliable, but a small number of older panel brands and models have well-documented safety concerns that electricians and home inspectors routinely flag. Here is what to know, from the licensed electricians at EZSMART, serving Toronto and the GTA.

Panel Brands With Known Concerns

  • Federal Pacific Electric (FPE) Stab-Lok panels: Widely documented for breakers that can fail to trip properly under overload or fault conditions, which defeats their core safety purpose. These were common in North American homes from the 1950s through the 1980s and are one of the most frequently flagged panels in home inspections.
  • Zinsco panels: Known for breaker connections that can degrade and overheat, sometimes fusing to the bus bar in ways that prevent proper disconnection.
  • Certain older Sylvania and Pushmatic panels: Discontinued lines that can be difficult to find compatible replacement parts for, complicating repairs and increasing the case for replacement over patching.

Why These Panels Are a Concern

The core issue with these older panel lines is not simply age, it is a documented pattern of breakers not performing their essential safety function reliably. A breaker that fails to trip when it should defeats the entire purpose of overcurrent protection, which is why these specific panels are commonly recommended for proactive replacement rather than repair, even if they appear to be functioning normally day to day.

Reliable Modern Alternatives

Panels from established, currently supported manufacturers such as Eaton, Square D, and Siemens are widely used, well supported with available parts, and have strong safety track records. These are the brands most licensed electricians use for replacement panels today.

What To Do If You Have One of These Panels

  1. Do not assume it is fine simply because it currently works
  2. Have a licensed electrician confirm your panel’s brand and model
  3. Discuss replacement, since this is generally the recommended path for these specific panel types rather than repair
  4. Check with your home insurance provider, since some insurers specifically ask about or restrict coverage for known problem panel brands

Panel replacement should be performed by a licensed contractor, in accordance with Electrical Safety Authority standards.

Frequently Asked Questions

How do I know if I have a Federal Pacific or Zinsco panel?
A licensed electrician can identify your panel’s brand and model quickly during an inspection, often from labeling inside the panel cover.

Do I need to replace my panel immediately if it is one of these brands?
It is generally recommended proactively rather than waiting for a symptom, given the documented reliability concerns with these specific panel lines.

Will my insurance company require me to replace it?
Some insurers specifically ask about panel brand and may require replacement or charge higher premiums for known problem panels. Policies vary, so it is worth checking directly.

Is it more expensive to replace a Federal Pacific or Zinsco panel than a normal upgrade?
Cost is generally similar to a standard panel upgrade, and a licensed electrician can provide an accurate quote after assessing your specific panel and wiring.

Not sure what brand your electrical panel is? EZSMART provides licensed panel inspections and replacements across Toronto and the GTA. Call 416-838-9006, and see what our customers say on our Google reviews page.

Amir Azimipour

Electrician Since 2008 Journeyman Electrician Designated Master Electrician at EZSMART Corp

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