Welcome to Tom
Henry's Code Electrical Classes Inc. We teach the National Electrical
Code (NEC) and prepare Journeyman and Master
electricians for licensing. Tom Henry's electrical books,
Spanish
electrical books, exam videos and code classes
help you prepare for the Block, Thomson Prometric formerly Experior,
(NAI) National Assessment Institute exam, I.C.C., P.S.I. exam or any
city, county, or state electrical exam.
If
you are a person with little or no electrical training or an
electrician who needs to learn more about the trade, check out our Learn to Be an Electrician
home study program. This program includes a tabbed Code book,
electrical books and our conduit bending program.
Get a Free copy of the First Electrical Code
(With the purchase of $250 or more of Tom Henry products. See Below)
The first Code book adopted August 31st, 1897 had 54 pages in this 4" X 6 1/2" book. Today the NEC is 8 1/2" x 11" in size and has 822 pages.
Some rules never change:
- Section 16 Table of Carry Capacity of Wires - THE QUESTION OF DROP IS NOT TAKEN INTO CONSIDERATION IN THE ABOVE RULES.
- Section 25 Switches - (b) Knife switches must be so placed that gravity will tend to open rather than close the switch.
- Section 27 Wire - (b) Must never be fastened with staples.
- Section 29
Conduits - (a) Must be continious from one junction box to another or
to fixtures, and the conduit tube must properly enter all fittings. (b)
Must first be installed as a complete conduit system, without the
conductors. (o) Must have not more than the equivalent of four quarter
bends from outlet to outlet.
Be the first person in your area to own this very unique book. This book is NOT for sale.
*You can
obtain
your own personal copy of the first Code by ordering $250 or more of
Tom Henry products such as books, video's & DVD's, the
"Learn to be an Electrician" program, the Complete Plus, Ultimate
and Elite Code book packages. Your book will be included in your order
automatically.
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