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FPE and Zinsco Panel Replacement

FPE and Zinsco Panel Replacement in San Jose

Start here when the label is unclear or an inspection report lists FPE and Zinsco together. Identify whether the equipment is Federal Pacific/Stab-Lok, Zinsco, or Sylvania-Zinsco, then continue to the matching brand guidance for replacement planning.

Breaker arrangement and original label inside a Federal Pacific Stab-Lok panel
CRE field photo · Stab-Lok equipment identification detail

Plan the work

Identify the label

Start with clear documentation

Panel labels, door markings, and circuit directories help route the right assessment.

  • Photograph the label and panel exterior.
  • Include meter-area photos.
  • Do not remove the cover.

Keep histories separate

FPE and Zinsco are not interchangeable

The two brands should not share a fabricated recall or a single safety claim.

  • Review FPE evidence separately.
  • Review Zinsco evidence separately.
  • Assess actual property conditions.

Plan replacement scope

Connect the panel to the home

Circuits, service capacity, access, and future loads shape the work.

  • List planned EV/HVAC/solar loads.
  • Separate panel and service questions.
  • Coordinate approvals.

Identify first, then evaluate

Photos can help identify a label and prepare a visit, but they cannot establish internal breaker performance. The assessor needs the actual service arrangement, accessible equipment, circuit needs, and conditions at the property.

For smoke, active arcing, or immediate danger, move away from the equipment and call 911.

FPE/Stab-Lok: use the CPSC record accurately

CPSC closed its Federal Pacific investigation without making a safety determination. Its notice is not a recall and does not certify an individual panel. The FPE route explains those limits in detail.

Zinsco: evaluate the actual installation

The NC Home Inspector Licensing Board cites documented Zinsco breaker and busbar concerns and recommends a licensed electrical-contractor evaluation, because identifying latent conditions may require invasive work beyond a home inspection. This is separate evidence from FPE history.

Route to the right replacement discussion

The FPE and Zinsco pages provide brand-specific detail. A panel replacement, service upgrade, subpanel, grounding/bonding review, and future-load project can overlap but they solve different problems. The proposal should state which scope fits the house.

Collect useful photos without opening the panel

Photograph the closed door, manufacturer label, breaker labels visible without removing the cover, circuit directory, meter area, and any inspection note. Use daylight and include a wider view so the equipment location and access are clear. Do not remove the cover, pull breakers, or try to read hidden markings.

Manufacturer labels and individual breaker labels can differ when equipment has been altered over time. That is a reason to document both, not to assume that a replacement breaker proves the panel assembly is current or suitable. The brand-specific routes retain the different FPE and Zinsco evidence instead of combining them into one claim.

From our field photos

Labels help distinguish the equipment

This separate field photograph shows the label and breaker arrangement of Federal Pacific Stab-Lok equipment. The manufacturer and equipment markings help direct the review to the correct replacement service. A homeowner can share accessible exterior labels and any inspection report. An electrician handles the internal equipment review.

Identify the panel before planning the replacement

The combined route identifies the equipment and sends the homeowner to brand-specific evaluation rather than merging the histories.

  1. Share the panel information

    Send labels, exterior and meter photos, and inspection notes.

  2. Identify the relevant route

    Separate FPE/Stab-Lok and Zinsco questions.

  3. Review the property scope

    Assess panel, service, circuits, and required approvals.

Common questions

Are FPE and Zinsco panels the same?

No. They are different product histories and should be evaluated using the relevant evidence and the actual installation.

Can a photo identify the brand?

Often it can help identify a label, but it cannot confirm internal condition.

Is this a recall page?

No. It does not make a recall claim for either brand.

Which page should I read next?

Use the FPE replacement page for Federal Pacific or Stab-Lok equipment and the Zinsco replacement page for Zinsco or Sylvania-Zinsco equipment.

Tell us about your project.

Share your city, the work you need, and any equipment or plans you already have.

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