2017 Und. Nec Requirements For Limited Energy & Communications Systems Dvd
This full-color, illustrated textbook with corresponding DVD provides insight into many of the technical rules of the 2017 NEC that apply to these systems. Subjects include the NEC rules that apply to low-voltage and limited-energy systems that most people are not aware of, definitions, the general NEC installation requirements, and specific NEC requirements for control, sound, video, CATV, CCTV, antennas, telephone, fiber optics, etc. Topics include grounding, cable installation, spacing, support, etc. The textbook includes practice questions, quizzes, and a final exam.