Wisconsin Industry Services – updated electrical code

May 24, 2018

Highlights from the newsletter include implementation dates for the updated electrical codes. On August 1, 2018 the 2017 NEC will be adopted for commercial structures and on January 1, 2020 the 2017 NEC will be adopted for one- and two-family dwellings.

Electrical Code Updates

The Department announced implementation dates for the updated electrical code.

August 1, 2018: 2017 NEC adopted for commercial structures
August 1, 2018: DSPS may begin accepting applications for registration as an electrical inspection agency. More information will be provided in July 2018.
March 1, 2019: Only registered inspection agencies may provide plan review, permit issuance, or inspections.
January 1, 2020: 2017 NEC adopted for one- and two-family dwellings.
January 1, 2020: statewide requirements for permits and inspections go into effect

Additional Code Updates

April 1, 2018 was the effective date for these two code packages:

SPS 307-308        Explosives, Fireworks, Mines, Pits and Quarries

SPS 327                 Camping Units

July 1, 2018 will be the effective date of the POWTS (SPS 381-387 & 391) revised code package.

Fire Department Safety & Health code (SPS 330) is currently being reviewed by the Legislature.


Full Newsletter can be found here.