Colorado Electrician Legislation, Codes, and Guidelines

Colorado State Building Codes and Legislation for Electricians

In Colorado, the primary adopted code for electrical work is the National Electrical Code (NEC), specifically NFPA 70. The State Electrical Board has most recently adopted the 2023 edition of the NEC, which became effective on August 1, 2023. While the state sets minimum standards, local jurisdictions (cities and counties) are responsible for adopting and enforcing their own building codes, which may include amendments or more stringent requirements than the state minimums. The State Architect also adopts codes for state-owned buildings and facilities, which include the 2021 International Building Code (IBC) and related codes.

The primary state agency responsible for setting and enforcing electrical standards in Colorado is the Colorado State Electrical Board. This board operates under the Colorado Department of Regulatory Agencies (DORA) and is responsible for licensing, registering, and regulating electricians, apprentices, and electrical contractors. The board's mission is to protect public health and safety by enforcing state electrical statutes and conducting inspections. The board is composed of nine members appointed by the governor, including electrical contractors, master or journeymen electricians, utility representatives, building officials, and public members.

Resources to Learn More

Select a County Below to Learn More About That Jurisdiction in Colorado

Permit rules operate within the above structure but can be nuanced at the county or municipal level. Select your local area below for specific ordinances, local codes, and direct links for your locality Building Department.