Mike Holt's Code Graphic and Question of the Day


Great free resources from Mike Holt Enterprises - this daily Code Graphic and Daily Code Question are smart learning tools. Use them as a topic of discussion each day and review them with your employees or colleagues in your safety meetings, at lunch, or in the field.

Daily Graphic

This graphic is based on the 2017 NEC®
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Daily Question

This question is based on the 2017 NEC®

2017 NEC® Code Quiz Question of the Day

(Not related to the above graphic.)

In installations within or behind noncombustible walls or ceilings, the front edge of a box, plaster ring, extension ring, or listed extender employing a flush-type cover, shall be set back not more than _____ in. from the finished surface.