Mike Holt's Code Graphic and Question of the Day


A great free resource from Mike Holt Enterprises, this daily Code Graphic is a smart learning tool. Use it as a topic of discussion each day and review it with your employees or colleagues in your safety meetings, at lunch, or in the field.

This graphic is based on the 2017 NEC®
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This question is based on the 2017 NEC®

2017 NEC® Code Quiz Question of the Day

(Not related to the above graphic.)

Where nails or screws are likely to penetrate nonmetallic-sheathed cable or ENT installed through metal framing members, a steel sleeve, steel plate, or steel clip not less than _____ in. in thickness shall be used to protect the cable or tubing.