Mike Holt's 2017 NEC Code Graphic and Question of the Day

This image is based on the 2017 NEC©

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NEC® Code Quiz Question of the Day

An exposed wiring system for indoor wet locations where walls are frequently washed shall be mounted so that there is at least a ______ between the mounting surface and the electrical equipment.

(a) 1/4 in. airspace

(b) separation by insulated bushings

(c) separation by noncombustible tubing

(d) none of these