2008 Understanding the NEC Requirements for Limited Energy and Communication Systems DVD
Mike and the group. Thank you for always sending the BEST information. I purchased your low voltage course to help me pass my state exam. As I read and and watch your DVD I appreciate all your hard work. I pray it gives me half the confidence I need to pass this test. Take care and keep up the good work.

James

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I have been a working electrician for the last fifteen years, and this course has showed me that I really haven't known much! Excellent course, and I will be recommending it to everyone I know or come across that want to understand or expand there knowledge in the electrical field. Thank you.

Don Isenhart