Do I Need a Permit for Electrical Work in Philadelphia, PA?
Philadelphia electrical permits follow the EZ system for residential: new construction, additions, and alterations in one-or-two-family dwellings under 200 amps qualify for EZ electrical permits without plan submission. A Philadelphia Registered Electrical Contractor must perform all permitted electrical work. The older rowhouse stock — knob-and-tube wiring in pre-1940s homes, aluminum branch circuit wiring in 1960s-70s construction — creates specific electrical upgrade triggers unique to Philadelphia that homeowners and contractors must navigate carefully.
Philadelphia electrical permit rules — the basics
Philadelphia's electrical permit system is administered by L&I under the Philadelphia Electrical Code. An electrical permit is required for the installation, alteration, replacement, or repair of electrical and communication wiring. The EZ electrical permit path — no plan submission required — covers the most common residential electrical work in one-or-two-family dwellings: adding circuits, upgrading panels (within 200 amps), replacing electrical equipment, and most interior alterations. Solar panel systems are explicitly excluded from the EZ electrical permit path; solar installations have their own dedicated EZ Solar PV permit process through L&I.
Philadelphia requires a Registered Electrical Contractor (REC) for all permitted electrical work — a Philadelphia city-issued license separate from any Pennsylvania state credential. Pennsylvania has no statewide electrical contractor license; Philadelphia's REC license is the city's mechanism for ensuring electrical contractors have demonstrated competency and maintain insurance and tax compliance. Contractors who perform at least $5,000 of home improvement work annually must also register as Pennsylvania Home Improvement Contractors (PA HIC). When hiring an electrician for permitted work in Philadelphia, verify both the Philadelphia REC license and the PA HIC registration are current and active.
Philadelphia's older rowhouse stock presents electrical upgrade challenges not seen in newer construction markets. Homes built before approximately 1940 may have knob-and-tube (K&T) wiring — the original open-air wiring system with ceramic knobs and tubes that predates modern NM-B (Romex) cable. Knob-and-tube is not automatically a code violation if it is in good condition and properly isolated, but it cannot be spliced into or extended with modern wiring, and insurance companies increasingly decline to insure homes with active K&T wiring without a surcharge. Homes built between approximately 1965 and 1975 may have aluminum branch circuit wiring — a known fire risk at connections. Discovery of either system during a permitted electrical project requires the electrician and inspector to assess the extent and condition.
Service upgrades — increasing panel capacity from 60 or 100 amps to 200 amps — are common in Philadelphia's older rowhouse stock, driven by the same electrification forces as in Phoenix: EV charger installations, heat pump conversions, and the addition of modern appliance loads to homes originally wired for 1940s electrical demands. Philadelphia's PECO (Pacific Gas and Electric Company's Mid-Atlantic subsidiary, an Exelon company) is the sole electric utility serving Philadelphia. Service upgrades require PECO coordination for the physical service wire change at the meter. PECO has a separate service application process; the electrical contractor coordinates the PECO side of the service upgrade alongside the L&I permit and inspection process.
Three Philadelphia electrical scenarios
| Variable | How it affects your Philadelphia electrical permit |
|---|---|
| Philadelphia Registered Electrical Contractor: city-specific license | All permitted electrical work in Philadelphia requires a Philadelphia Registered Electrical Contractor (REC) — a city-issued license separate from any Pennsylvania state credential. Pennsylvania has no statewide electrical contractor license. The Philadelphia REC must be current on city taxes and have current insurance on file with L&I. When hiring an electrician for permitted work, verify the Philadelphia REC license status with L&I or ask for the license number. Solar PV systems require an electrical permit from a Philadelphia REC in addition to the solar EZ permit process. |
| EZ electrical permit: 1-2 family homes under 200A, no plans | The EZ electrical permit covers new construction, additions, and alterations in one-or-two-family dwellings where the connected load is less than 200 amps and all equipment is rated 600V or less. This covers most standard residential electrical work: adding circuits, replacing panels within 200A, GFCI/AFCI upgrades, EV charger circuits (50A), and service conductor work up to 200A. Solar PV systems are explicitly excluded from the standard EZ electrical permit and have their own EZ Solar PV permit path. Fire alarm systems are also excluded. |
| Knob-and-tube wiring: Philadelphia's pre-1940 electrical challenge | Philadelphia's large stock of pre-1940s rowhouses often retains original knob-and-tube (K&T) wiring — ceramic knobs and tubes supporting open unsheathed conductors. K&T cannot be extended with modern wiring; any permitted electrical work that involves connecting to or near existing K&T requires assessment by the inspector. Insurance companies increasingly require either verification of K&T condition (full inspection with report) or replacement as a coverage condition. When buying or renovating a pre-1940 Philadelphia rowhouse, budget for K&T assessment and likely partial or full rewire. |
| PECO service coordination for service upgrades | PECO (an Exelon subsidiary) is Philadelphia's sole electric utility. Service upgrades that change the physical service capacity (60A to 200A, 100A to 200A) require PECO's coordination for the service wire reconnection at the meter. The Philadelphia REC coordinates PECO's service side alongside the L&I permit and inspection. PECO's service scheduling can add one to two weeks beyond the electrical work timeline. PECO has its own technical requirements for service entrance equipment that must be satisfied in addition to L&I code compliance. |
| NEC adoption and AFCI/GFCI requirements | Philadelphia follows the Philadelphia Electrical Code, which is based on the National Electrical Code with local amendments. Current NEC requirements for one-or-two-family dwellings include AFCI (arc-fault circuit interrupter) protection for most branch circuits and GFCI (ground-fault circuit interrupter) protection at kitchens, bathrooms, garages, outdoors, and other specified locations. Any permitted electrical project in Philadelphia triggers inspector verification of AFCI and GFCI compliance on affected circuits. Older rowhouses with inadequate AFCI/GFCI protection will have these requirements addressed as part of any permitted upgrade. |
| Aluminum wiring: 1960s-70s Philadelphia rowhouses | Philadelphia rowhouses built between approximately 1965 and 1975 may have aluminum branch circuit wiring — a known fire risk due to thermal expansion mismatch at connections. Like the pre-1940 K&T issue, aluminum wiring in permitted electrical work requires assessment by the inspector. The standard remediation options are CO/ALR-rated devices at every outlet and switch, or pigtailed copper-to-aluminum connections at each device. Complete rewire with copper is the permanent solution. Aluminum wiring discovery is common in Fishtown, Kensington, and Northeast Philadelphia 1970s-era construction. |
Philadelphia's electrical infrastructure — PECO and aging rowhouse wiring
PECO Energy (an Exelon subsidiary) is Philadelphia's sole electric utility, providing electric service citywide at retail rates regulated by the Pennsylvania Public Utility Commission (PA PUC). Unlike Phoenix's APS/SRP dual-utility market, Philadelphia homeowners have a single utility contact for all service-related electrical matters: upgrades, solar interconnection, net metering, and service complaints. The PA PUC's rate regulation affects both residential electricity rates and net metering tariff structures for solar.
Philadelphia's average residential electricity rates have risen meaningfully over the 2020s, creating stronger economics for energy efficiency improvements and solar adoption. The transition to heat pumps and EV charging — both requiring upgraded electrical service in many older Philadelphia rowhouses — creates a significant ongoing wave of 60A-to-200A service upgrade work. Many Philadelphia homes built before 1950 retain their original 60-amp fused services (glass fuse box, typically in the basement); these are not only undersized for modern loads but also increasingly rejected by insurance companies as non-compliant with modern safety standards.
The electrical upgrade of Philadelphia's older housing stock has become a significant market for Philadelphia RECs, driven by the combination of insurance requirements (K&T and fused services), electrification desires (heat pump, EV), and renovation activity in gentrifying neighborhoods. A well-executed electrical upgrade — new 200A panel, modern branch circuits with AFCI and GFCI, K&T or aluminum wiring replacement — is among the highest-value improvements a Philadelphia rowhouse owner can make, providing safety, insurance compliance, and the infrastructure foundation for future electrification.
What the inspector checks on a Philadelphia electrical project
For EZ electrical permits, one final inspection after work is complete confirms: new circuits are properly sized and protected; AFCI and GFCI protection is in place at required locations; panel labeling is complete; and the work complies with the Philadelphia Electrical Code. For service upgrades, the service inspection confirms grounding, bonding, and meter base installation before PECO reconnects service. For full permit plan review projects (whole-house rewires), a rough-in inspection before walls close and a final inspection after completion. The inspector will note any K&T or aluminum wiring concerns encountered during the work and may require additional remediation.
What Philadelphia electrical work costs to permit and install
EZ electrical permit fee: $75–$200 for most residential projects. Full plan review permit: $150–$500. REC labor: new circuit $350–$900; panel upgrade 60A to 200A $2,000–$4,500; EV charger circuit (with adequate panel capacity) $500–$1,200; whole-house rewire three-story rowhouse $15,000–$30,000. PECO service reconnection fees vary. K&T remediation (CO/ALR devices, pigtailing, or full rewire) adds $1,500–$8,000 depending on extent.
What happens if you skip the permit
Unpermitted electrical work in Philadelphia creates insurance risk — fire claims involving unpermitted electrical work can be denied. Pennsylvania real estate disclosure law requires disclosure of known defects; unpermitted electrical work discovered at inspection creates complications. For K&T or aluminum wiring addressed without permits, the remediation work cannot be verified by an inspector, leaving the homeowner with no documentation of the electrical system's safety. Philadelphia RECs can face license discipline for performing unpermitted work; hiring a licensed contractor provides the assurance that permits will be obtained.
Phone: (215) 686-2460 · Mon–Fri 8:00am–3:30pm
Philadelphia Electrical Permit → · eCLIPSE: eclipse.phila.gov →
Common questions about Philadelphia electrical work permits
Do I need a permit for electrical work in Philadelphia?
Yes. An electrical permit from L&I is required for installation, alteration, replacement, or repair of electrical systems. For one-or-two-family dwellings under 200A, the EZ electrical permit (no plans) covers most standard work: adding circuits, panel upgrades within 200A, GFCI/AFCI upgrades, service conductor work. Solar PV systems require the separate EZ Solar PV permit path. All permitted work must be by a Philadelphia Registered Electrical Contractor (REC).
What is a Philadelphia Registered Electrical Contractor?
A Philadelphia city-issued license (Registered Electrical Contractor, REC) required for all permitted electrical work in Philadelphia. Pennsylvania has no statewide electrical contractor license; the Philadelphia REC is the city's credential. RECs must be current on city taxes and have current insurance on file with L&I. Verify the contractor's Philadelphia REC license when hiring for any permitted electrical work.
What is knob-and-tube wiring and why does it matter?
Knob-and-tube (K&T) is the original wiring method in homes built before approximately 1940, using open unsheathed conductors supported by ceramic knobs and through ceramic tubes where they pass through framing. K&T cannot be extended with modern wiring. Insurance companies increasingly require K&T inspection and documentation or full replacement. Discovery of K&T during permitted electrical work requires assessment by the inspector, who may require additional remediation. Pre-1940 Philadelphia rowhouses commonly have K&T; budget for assessment and likely partial or full rewire.
Do I need to coordinate with PECO for an electrical panel upgrade?
Yes, if the service capacity is changing (60A to 200A, 100A to 200A). The physical service wire reconnection at the meter requires PECO's coordination. The Philadelphia REC handles the PECO coordination alongside the L&I permit. PECO's scheduling can add one to two weeks to the timeline. For panel replacements within the existing ampacity (replacing an old 200A panel with a new 200A panel at the same location), PECO coordination may be minimal — confirm with the REC.
Can homeowners do their own electrical work in Philadelphia?
Only for minor work that doesn't require a permit. Philadelphia's Administrative Code provides that owner-occupants of one-or-two-family homes may perform repairs that don't require electrical or plumbing permits. Any work requiring a permit must be performed by a Philadelphia Registered Electrical Contractor. Unlike Phoenix (where Arizona's $1,000 threshold permits limited owner self-performance) and Houston (which has a homeowner electrical permit option), Philadelphia has no broad homeowner electrical permit path.
How long does a Philadelphia electrical permit take?
EZ electrical permit for 1-2 family homes: typically 10–15 business days via eCLIPSE. Standard plan review permit (whole-house rewire, complex commercial work): three to six weeks. After permit issuance: one final inspection for most projects; rough-in plus final for large rewiring projects. PECO coordination for service upgrades adds one to two weeks after L&I final inspection. Total from permit application to PECO reconnection: two to six weeks for most residential electrical projects.
This page provides general guidance based on publicly available municipal sources as of April 2026. Philadelphia REC licensing requirements are subject to change. PECO service coordination requirements should be confirmed directly with PECO. Knob-and-tube and aluminum wiring assessments require inspection by a qualified REC. For a personalized report, use our permit research tool.