Panel upgrade permits in Texas
Last updated September 13, 2026
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A plain-English starting point for electrical contractors. This is general Texas guidance — fees, forms, and timelines are set by each city.
Short answer
A panel replacement or service upgrade generally needs an electrical permit in Texas cities, pulled by a TDLR-licensed electrical contractor with a master electrician of record — and in Dallas, only master electricians registered with the City can obtain electrical permits. The utility controls the service connection: Oncor's service guidelines say it reconnects only after it's notified of approval by the proper authority, and contractors must call before pulling a self-contained meter.
The general picture
Texas regulates electrical work at two levels. TDLR licenses electrical contractors and adopts the National Electrical Code statewide, while each city issues permits, registers contractors, and can amend the code — and the editions listed on city pages vary. For a panel or service upgrade in the Dallas–Fort Worth cities we've checked, expect an electrical permit, a licensed master electrician, and utility coordination: Oncor's service guidelines require a call before a self-contained meter is pulled, and Plano requires a Fault Current Calculation Form before service equipment goes in. See the verified notes for Dallas, Fort Worth, Arlington, and Plano.
Typically needs a permit
Replacing a panel or meter base, increasing service size, adding a subpanel, or relocating the service. Fort Worth's residential guidance says changing, moving, or repairing electrical equipment, including electrical services, requires an electrical permit.
Usually doesn't (general norm)
- Replacing switches, receptacles, or light fixtures on existing wiring
- Minor repairs that don't change the service or panel
Documents & plans generally required
- Electrical permit application
- TDLR electrical contractor license, master electrician of record, and city registration
- Load calculation for a service increase
- Fault current or equipment rating information where the city requires it — Plano, for example, requires a Fault Current Calculation Form before service equipment is installed
- Service request or coordination with Oncor or the serving utility
Common reasons panel upgrade applications get bounced
Code-rooted patterns across Texas — not a city-specific rejection rate.
- No load calculation for a service size increase
- Available fault current or equipment ratings not documented where required
- Working space in front of the panel doesn't meet NEC 110.26
- Meter pulled or service disconnected without calling the utility first
- Electrician not registered with the city where registration is required
The inspection sequence
A typical order — the number of stops and exact sequence vary by jurisdiction and scope.
- 1Service inspection by the city
- 2City approval of the work
- 3Utility reconnects service under its own rules — Oncor waits for approval from the proper authority
Licensing — who can pull it
Panel and service upgrades in Texas are done by a TDLR-licensed electrical contractor with a master electrician of record. Texas adopts the National Electrical Code statewide through TDLR — the 2026 edition took effect September 1, 2026 — and cities may adopt local amendments.
How this works in your Texas city
Cities marked have verified local data — portal, fee schedule, adopted code edition, and local permit notes sourced from public city and county documents. Every city page links to its official building department.
Frequently asked questions
Do I need a permit to upgrade an electrical panel in Texas?
Generally yes. Fort Worth requires an electrical permit for changing or repairing electrical services, and Dallas limits electrical permits to City-registered master electricians.
Who reconnects power after a panel upgrade in Oncor territory?
Oncor. Its service guidelines say it won't reconnect until it's notified of approval by the proper authority. Call Oncor before pulling a self-contained meter.
Which NEC edition applies in Texas?
TDLR adopted the 2026 NEC effective September 1, 2026, and cities can amend it. City code pages sometimes list earlier editions, so confirm the edition the city enforces.
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