Class Books and Test Prep Help
For all classes the top three recommendations are
-
2020 or 2023 Code Book with Tabs.
Please Note: The 2023 Edition was adopted April 1, 2024 however
testing will continue until spring of 2025 with the 2020 edition. -
Ugly's Electrical References and
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Tom Henry's Keyword Index that matches the type and year of the NEC.
Below are our Amazon affiliate links, from which we earn a small
commission at no additional cost to you
2020 National Electric Code
The 2020 NEC is used in WA State for testing. If you need to test before April of 2025, this is the edition you should use.
Click here for 2020NEC with Uglys
2023 National Electric Code, Tabs, Uglys
The 2023 NEC is used in WA State as the adopted standard. If you will be testing after April 2025, this is the book you should focus on.
Click here for 2023 NEC with Tabs, Uglys
Ugly’s Electrical References, 2023 Edition:
NEC code and table change info, mathematical formulas, NEMA wiring configurations, conduit bending guide, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables.
Note: The 2023 edition will work for any code cycle.
Tom Henry's Keyword Index 2020 edition
This book is a vital study aid for electrical exams and is specifically designed to increase your speed in finding references in the NEC. Note that This book is different for the hardcover and softcover edition of the NEC and it must also match the year. This link is for the softcover 2020 NEC version.
Tom Henry's Keyword Index 2023 edition
This book is a vital study aid for electrical exams and is specifically designed to increase your speed in finding references in the NEC. Note that This book is different for the hardcover and softcover edition of the NEC and it must also match the year. This link is for the softcover 2023 NEC version.
WAC & RCW
WA State has two documents that implement and adopt the NEC along with changes. They are free to download and print out by clicking here.
