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The 2017 National Electrical Code (NEC) is here

Adoption date: July 1, 2017

On July 1, the 2017 edition of the NFPA 70 National Electrical Code (NEC) will be adopted by the State of Colorado and enforced by the City and County of Denver. 

As a result, the 2017 NEC will become the minimum standard for electrical permits issued on or after July 1, 2017. 

PLEASE NOTE: All project drawings logged in for an electrical review on or after July 1 will be reviewed under the 2017 NEC.

Visit this webpage to review all building codes currently adopted by the City and County of Denver.

Download our Commercial Building Permit Guide (PDF).

Download our Residential Permitting Guide (PDF).


Picture of the 2017 NEC Codebook