2017 Und. Nec Requirements For Limited Energy And Communications 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. This textbook is suitable for Low Voltage exam preparation and includes practice questions, quizzes, and a final exam. Direct from Mike Holt Enterprises, Answer Key included.