Key Word Index by Tom Henry

Reminders for the Electrician contains the hard to remember load calculations, bus bar formulas, neutral balancing formulas, reversing connections of various motors, transformer connections, cooking equipment demand formats, etc. Pre-drilled to fit in your 2020 Looseleaf National Electrical Code Book for your convenience.

2017 Pocket Size Key Word Index by Tom Henry

Tom Henry has decided that the KEY WORD INDEX needs to be with the electrician and the inspector daily in the field as they discuss the Code rules so you can both quickly go to the section in the Code book and have a good conversation on the ruling.

Author: Tom Henry

Item # 418 - 2017 POCKET SIZE Key Word Index

Price: $20.00

2017 Key Word Index HANDBOOK EDITION by Tom Henry

2017 Key Word Index

Now available a Key Word Index for the 2017 NEC Handbook! The NEC Handbook is a favorite in the electrical industry with photos and comments with 1,254 pages, 435 more pages than the softback or looseleaf editions, it makes it more difficult trying to find the text with the keywording you are searching for. Now the Key Word Index for the NEC handbook will take you there quickly, locating over 3,000 keywords. After personally working with my son Tim locating over 3,000 words in the Handbook, they are much more difficult to locate due to the photos and text of the comments. I wouldn't want to be without one!!!

Author: Tom Henry

Item #423 - 2017 Key Word Index HANDBOOK EDITION

Price: $20.00

2017 Reminders for the Electrician by Tom Henry

Reminders for the Electrician contains the hard to remember load calculations, bus bar formulas, neutral balancing formulas, reversing connections of various motors, transformer connections, cooking equipment demand formats, etc. Pre-drilled to fit in your 2017 Looseleaf National Electrical Code Book for your convenience.

Author: Tom Henry

Item #415 - 2017 Reminders for the Electrician

Price $18.00

2017 Code Book Tabs by Tom Henry

Why pay more when you can have the best tabs for your Code book. These tabs fit the 2017 NEC Handbook, Softback and Looseleaf Code books.

Tom Henry's famous "Blue and White" tabs. These tabs are designed for everyone in the electrical industry that uses the Code book - Inspectors, Designers, Contractors, Electricians, Apprentices, etc.

Item #413 - 2017 Code Book Tabs (68 Tabs)

Price: $13.00

2017 Formula Insert Pages by Tom Henry


Tom Henry's 14 pages of calculation formulas and formats. Pre-drilled to fit inside the 2017 Looseleaf Code book, these inserts are a excellent guide to help you with those hard to remember formulas. A great study tool to help you get ready for the electrical exam.
Some of the important formulas included are for exact K, voltage drop, efficiency, ohm's law, kva, transformers, ambient corrections, nipple fill, motor calculation steps, motor fill, and more.

Author: Tom Henry

Item #416 - Tom Henry's 2017 Formula Inserts

Price $6.00