Electrical codes and standards

Chapter 1315 of the Minnesota State Building Code adopts a national standard for the installation of electrical wiring, apparatus and equipment for electric light, heat, power, technology circuits and systems, and alarm and communication systems. Minnesota's electrical code consists of the National Electrical Code as published by the National Fire Protection Association (NFPA). View electrical laws and rules.

• 2023 NEC Frequently Asked Questions

• 2023 Residential Inspection Checklist

• Free access to the 2023 National Electrical Code (must create a free NFPA account for access)

2020 NEC

• Chart of 2020 NEC Errata and Tentative Interim Amendments

• 2020 Residential Inspection Checklist

Bulletins and code resources

Agriculture buildings

• Article 547: agriculture buildings

• Equipotential plane for livestock confinement

• Livestock waterers and equipotential planes

• Minnesota Stray Voltage Guide 

Building codes

• Building code fact sheets

• Minnesota State Building Codes

General safety

• Electric Shock Drowning Minnesota

General wiring

• Cable bracing requirements

• Circuit breakers in low ambient temperatures

• Coordination of overcurrent protective devices

• Electrical code requirements for accessory dwelling units (ADU)

• Extension of circuitry in manufactured homes

• Fire pump requirements for domestic water wells

• Flexible cords used for connecting luminaires

• Grounding and bonding for detached buildings or structures

• Impressed current cathodic protection

• Moved buildings or structures

• Number of services to a building

• Primary injection testing

Hazardous (classified) locations

• Bulk storage dispenser classifications

• Fuel dispensing: installations, retrofits and replacements

• Woodworking shop classification

Licensing and inspections

• Electrical work – Minor repair work

• Electrical work – Electrical maintenance work

• LED inspection fee calculation

• Manufactured home parks

• Minnesota school superintendents

• Radon fan installation

• Replacement of HVAC equipment and water heaters

• Siding replacement licensing requirements

• Technology systems – General summary of licensing and inspections

• Technology systems – Electrical licensing and inspection chart

• Technology systems – Important information for power-limited technicians

• Technology systems – Important information for technology system contractors

Questions?

Contact us at dli.electricity@state.mn.us or 651-284-5026.