Electrical Permit Requirements in Wisconsin: Complete SPS 316 Guide
Electrical permits protect you. Inspections ensure work is safe and meets code. Here's what Wisconsin homeowners need to know about permits and inspections.
Permit Fee Ranges (Sheboygan County)
- • Minor work (few circuits): $75-$100
- • Standard residential: $100-$150
- • Panel upgrade: $100-$150
- • Service upgrade: $125-$175
- • New construction: Based on value
When Permits ARE Required
- New circuits or circuit modifications
- Panel upgrades or replacements
- Adding outlets, switches, or fixtures
- Running new wiring
- EV charger installation (240V)
- Generator connections (transfer switch)
- Hot tub or pool electrical
- Basement or room addition wiring
When Permits Are NOT Required
- • Replacing a switch or outlet (like-for-like)
- • Replacing a light fixture (same circuit)
- • Replacing a circuit breaker (same amp rating)
- • Minor repairs to existing wiring
- • Replacing plug/cord on appliances
Note: Even permit-exempt work must meet electrical codes.
The Inspection Process
- 1Apply for permit before starting work. Submit job description, your name/address, and electrician license number (if applicable).
- 2Rough-in inspection (if applicable) before walls are closed. Inspector checks wiring paths and box locations.
- 3Final inspection after work is complete. Inspector verifies code compliance. Wisconsin requires inspection within 2 business days of notification.
- 4Approval allows energizing the new work. If corrections needed, fix them and schedule re-inspection.
Penalties for Unpermitted Work
- Double permit fees if discovered
- Additional penalties up to $500
- Required to open walls for inspection
- Insurance complications if fire or damage occurs
- Must disclose when selling home
Related Resources
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