By Charles R. Miller
This uniquely potent consultant is helping readers grasp the 2014 nationwide electric Code, utilizing hugely distinct, technically actual illustrations to make even the main complicated features of the Code more uncomplicated to appreciate and follow. An skilled writer, educator, and grasp electrician, Charles Miller interprets the customarily obscure, complex language of the 2014 NEC into transparent, uncomplicated directions and visuals. subject matters are equipped logically and awarded in a handy, modular layout for simple reference, starting with basic techniques and progressing to requisites for varied dwellings, from one-family houses to multi-family housing, advertisement destinations, and exact occupancies. The 6th version of this depended on source offers thorough assurance of adjustments to the 2014 Code, in addition to a variety of new and up to date illustrations, and extra fabric on renewable strength resources resembling sun and wind strength. entire assurance, an cutting edge studying process excellent for modern-day visible rookies, and exact, updated details make this beneficial source essential for starting and skilled electricians, engineers, and different electric pros.
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Additional info for Illustrated Guide to the National Electrical Code
C A multiple receptacle is a single device consisting of two or more receptacles »Article 100«. © Cengage Learning 2012 Unit 2: Deﬁnitions 25 Separately Derived System A Article 450 contains provisions for transformers. B A separately derived system is an electrical source, other than a service, having no direct connection(s) to circuit conductors of any other electrical source other than those established by grounding and bonding connections Article 100 . 30 Informational Note No. 1 . » « Service © Cengage Learning 2015.
C Wood braces must have a cross section of at least 1 in. by 2 in. 23(B)(2) . » « © Cengage Learning 2012 CAUTION Screws passing through the box (with exposed threads in the box) are not permitted, unless they are protected using approved means. 23(B)(1) . » « An enclosure mounted on a building or other surface shall be rigidly and securely fastened in place. 23(A) . » « 40 SECTION 1: FOUNDATIONAL PROVISIONS Mounting Enclosures in Finished Surfaces A No support is required where the cable is ﬁshed between access points, concealed in the ﬁnished surface, and where such supporting of the cable is impractical.
N O T E Boxes located in elevated floors (such as show windows) do not have to be listed specifically as floor boxes if the authority having jurisdiction (AHJ) judges them free from likely exposure to physical damage, moisture, and dirt. 27(B) Exception . 44 . 46 . 24(B) . This provision also applies to LED luminaires. 10 . » « © Cengage Learning 2012 BOX AND LUMINAIRE SUPPORT Box and Enclosure Supports N O T E A Nails, where used, can attach brackets on the outside of the enclosure or extend through the interior within 1⁄4 in.