Fuse boxes still exist in some of Houston’s oldest homes — especially pre-war construction in The Heights and the East End. Fuses protect wiring adequately when correctly sized, but they cannot support modern electrical loads, are often improperly oversized by previous owners, and are a red flag for insurance carriers.
What conversion involves
Replacing the fuse box with a modern breaker panel, verifying or upgrading the service entrance and grounding, labeling circuits, and permitting. It is often the right moment to increase capacity at the same time, since the service equipment is being opened anyway.
Get connected
Call with your home’s age and what you know about the current equipment. We connect you with an independent provider who assesses the service and quotes the conversion.
Fuse box vs. modern breaker panel
| Fuse box | Modern breaker panel | |
|---|---|---|
| Overcurrent protection | One-time fuses that must be replaced | Resettable breakers |
| Typical capacity | 30–60 amps | 100–200 amps |
| Protection devices | None beyond the fuse itself | AFCI and GFCI breakers, whole-home surge protection |
| Room to expand | Little or none | Spare spaces for future circuits |
Why insurers ask about fuse panels
Insurance carriers in Texas frequently flag active fuse boxes during underwriting, and some decline coverage or require replacement before binding a policy. Oversized fuses — a common old workaround for blowing fuses — remove the protection entirely and are a genuine fire hazard.
Before you call — have this ready
- A photo of the fuse box label and the fuses themselves, if accessible
- Whether anyone has installed oversized fuses to stop nuisance blowing
- Any insurance correspondence about the panel
Permits and code in Houston
This type of work generally requires an electrical permit in Houston, and Texas law requires it to be performed by a licensed electrician. You can verify any license through the TDLR license search and confirm permit requirements with the Houston Permitting Center. The provider you hire should pull the permit — be cautious of anyone who asks you to pull it as the homeowner.
Frequently asked questions
Most projects involving new circuits, panels, generators, or rewiring require a permit through the Houston Permitting Center; like-for-like device swaps generally do not. The independent provider confirms the requirement for your address and pulls the permit when one is needed.
We do not publish or set prices. The provider you are connected with inspects the situation and gives you a written estimate directly — that is the number to evaluate, and you are free to decline it.
Scheduling is set by the provider, and we do not promise response times. When you call, we connect you with a provider covering your area, and they confirm availability and timing with you directly.
Anything involving burning smells, scorch marks, buzzing, or exposed or wet wiring should be treated as urgent — stop using the affected circuit and call today; for sparking, smoke, or fire, call 911 first. Non-urgent projects like fuse box to breaker conversion in houston are usually fine to plan at normal pace.