Federal Pacific (Stab-Lok) Panels: What NJ Homeowners Should Know

A Federal Pacific panel (also called a Stab-Lok panel) is an older breaker panel made by Federal Pacific Electric and used in homes starting in the early 1950s. The official safety record is more mixed than the headlines suggest: the U.S. Consumer Product Safety Commission (CPSC) closed its investigation in 1983 without deciding whether the breakers are safe. If you have one in your New Jersey home, the sensible move is to have a licensed electrician look at it and plan a replacement on your schedule rather than panic.

What is a Federal Pacific (Stab-Lok) panel?

Federal Pacific Electric made the Stab-Lok line of circuit breakers and panels. Stab-Lok equipment was used extensively in residential and commercial construction from about 1951, and the company's parent, Reliance, left the circuit breaker business in 1986. That means plenty of New Jersey houses built or updated in those decades still have one.

A breaker panel has one main job: when a circuit is overloaded or shorted, the breaker should trip and cut the power before the wiring overheats. The worry with Stab-Lok breakers is that some may not trip when they should.

Why do homeowners worry about them?

The concern goes back to 1980. The CPSC began its investigation in June of that year after Reliance, Federal Pacific's parent company, reported that many of its circuit breakers did not fully comply with Underwriters Laboratories (UL) requirements. To meet UL standards, residential breakers must pass a series of calibration tests that check whether they carry their rated current and trip within set time limits during an overload.

The investigation focused mainly on two-pole residential breakers. Two-pole breakers typically feed 240-volt loads such as a dryer or range.

What the official record actually says

Here is the part that often gets left out. In March 1983, the CPSC said the data available to it did not establish that these breakers pose a serious risk of injury to consumers. It also said it closed the matter without making a determination about the safety of the breakers, and that the investigation could be reopened if further information warranted.

So the fair summary is this: the manufacturer's own parent company reported compliance problems, the agency did not find enough data to declare a serious risk, and the question of whether the breakers are safe was never settled. Replacing one is a reasonable precaution, but it is a judgment call, not a government order.

How to tell if you have one

You can often tell with a quick look at the panel door and the label, without opening anything.

  • Look for the name Federal Pacific Electric, Federal Pacific, FPE or Federal Pioneer on the panel door or label. Those names generally point to the Stab-Lok design.
  • Look for the words Stab-Lok. They often appear on the door or a label, but not on every Stab-Lok panel, so a missing label does not rule one out.
  • Make sure it is a breaker panel. Older fuse panels sold under similar names are a different product.

Opening the hinged door to reset a breaker is normal. Do not remove the inner cover yourself, because the wiring behind it carries lethal voltage. If you can't tell from the door, a licensed electrician can confirm what you have in a few minutes. Counterfeit Stab-Lok breakers have also been sold, so a label alone does not always tell the whole story.

Warning signs to take seriously

Whatever brand of panel you have, these signs mean you should call an electrician soon:

  • Breakers that trip often or won't reset.
  • A burning smell, scorch marks or discoloration at the panel.
  • Buzzing or crackling from the panel.
  • Lights that flicker or dim when appliances turn on.

The CPSC's own advice applies to every home: never overload a circuit by plugging too many products into it, and don't just reset a tripped breaker or replace a blown fuse without finding out why it happened.

What to do in New Jersey

Start with an inspection from a licensed electrician. If you are buying or selling a house, the panel may come up during the home inspection, and it is better to know the facts before it affects a deal.

If the panel needs to be replaced, plan on a permit. New Jersey's Uniform Construction Code requires a construction permit for electrical work, with an exemption for ordinary maintenance. That exemption is meant for small jobs such as swapping a switch or receptacle, so treat a panel replacement as permit work. Your town's construction office is the final word on what it requires.

At Gareffa Electric, panel and service upgrades are part of what we do. Every job is permitted in our name, done by licensed electricians on our crew, and inspected and closed out properly. We tell you the price up front. You can read more on our panel upgrades page.

If you want an electrician to look at the panel first, you can book a $150 scheduled service call, which includes a diagnostic plus the first hour of work. A same-day call is $350, with the same diagnostic and first hour. For planned panel work, call us to set up a $100 estimate visit, which includes an on-site walk-through and a written estimate.

Frequently asked questions

Is a Federal Pacific panel a fire hazard?

It can be a concern, but the official record is not settled. Reliance reported in 1980 that many of its breakers did not fully meet UL requirements. The CPSC closed its investigation in 1983 without finding a serious risk of injury, and without ruling on the breakers' safety. Because a breaker that fails to trip is a real worry, many homeowners choose to replace the panel.

Do I have to replace it right away?

Nothing in the CPSC record says you must. If the panel shows warning signs, such as burning smells or breakers that won't reset, have it checked promptly. Otherwise, get it inspected and plan the replacement on a sensible timeline.

Do I need a permit to replace my panel in New Jersey?

Generally yes. Panel replacement is not ordinary maintenance, so plan on a permit and inspection through your local construction office. A licensed electrician pulls the permit and handles the inspection for you.

Ready to have it looked at?

If you think you have a Federal Pacific panel, book a visit online or call us at (973) 662-4333. We are open Monday to Saturday, 7 AM to 6 PM. NJ Electrical Contractor License #18578, $2M liability insured, family-owned.

Related guides and services

We serve all four counties: Bergen County, Essex County, Hudson County and Passaic County.

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