Understanding electrical formulas is one of the most important tasks facing today's electricians. Accurate calculations make for proper code compliance and safe installations. That's why the DEWALT® WIRING QUICK CHECK: EXTREME DUTY EDITION will prove to be a valuable resource in the hands of your students. The book compiles the most commonly used formulas and simplifies them, using a step-by-step approach and practical, real-world examples. Topics range from Ohm's Law and power formulas to areas of conduit and conduit fill. With easy-reference tabs and a sturdy design, this is the certain to be a beneficial tool for students long after they leave your classroom.

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