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National Standard Master Mechanical 670 (2020-02-21)
Number of Questions 100
Time Allowed 4 Hours
Closed Book These books are for pre-test study only and are not available for use during the test.
Publication Year: 2014
Adopted in all 50 states, the NEC is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards. The NEC addresses the installation of electrical conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways in commercial, residential, and industrial occupancies.
Publication Year: 2015
Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.