Updated Industrial Wiring Codes You’re Probably Not Following

Updated Industrial Wiring Codes You're Probably Not Following

Industrial facilities require proper wiring to keep operations running smoothly and safely. However, industrial wiring codes are complex and frequently updated. I often find that facilities fall behind on implementing the latest code requirements. In this article, I'll overview the key industrial wiring code updates you need to know.

Main Changes in the Latest NEC Code

The National Electrical Code (NEC) provides the basis for local and national electrical standards. Staying up-to-date with the NEC ensures your facility's wiring meets safety and performance requirements.

The 2017 NEC edition introduced several notable changes:

Failing to implement these changes risks non-compliant, unsafe wiring.

Key Updates for Hazardous Locations

Certain industrial environments with flammable materials or dust require special "hazardous location" wiring techniques. Updates to Article 500 and Article 505 of the NEC impact wiring in places like paint booths, grain elevators, and laundries.

Notable hazardous location wiring changes include:

Review hazardous areas with your electrician and update wiring as needed. Non-compliant wiring in hazardous locations poses a major safety risk.

Changes to Wiring Methods and Equipment

Aside from broad code changes, amendments also impact specific wiring techniques and electrical equipment. Stay up-to-date on changes relevant to your facility.

Key examples include:

Refer to the latest NEC edition for full details. Improper wiring methods can fail inspections or present fire and shock risks.

Action Items for Updating Your Facility

To ensure your facility's wiring complies with the latest codes, focus on the following action items:

Staying code-compliant takes effort but helps avoid citations, accidents, and power issues. Protect workers and operations by keeping up with key industrial wiring code updates. Plan annual reviews of the latest NEC changes.