The first DVD in the Mastering the NEC 2008 series is now offered for individual sale! Taught by Mark Shapiro, a knowledgeable electrical professor, this DVD teaches you Basic Electrical DC Calculation using clear and concise explanations.

This DVD is a great tool for electricians, designers, supervisors, contractors and maintenance personnel. The DVD can also be used to train and re-train electrical staff. This video's running time is 77 minutes.

Topics covered in the Basic Electrical DC Calculation DVD:

• Introduction
• What is Electricity?
• Ohm's Law
• Power Formula
• Ohm's Law and Power Formula Combined
• Hydraulic Analogy
• Ohm's Law
• Wattage & Power
• Ohm's Law & Power Formula Combined
• Series Circuits
• Parallel Circuits
• Series/Parallel Circuits
• Open Neutrals on Single Phase Circuits
• 3-Phase Power & Neutrals