This is the conclusion of the NCCER Level 2 electrical curriculum. This course Describes how to prepare conduit for conductors, explains how to set up and complete a cable-pulling operation, discusses various types of cable tray, supports, and associated fittings, explains how to determine the loads on a cable tray and calculate fill per NEC® requirements, explains how to prepare cable ends for terminations and splices, describes how to train cable at termination points and describes crimping techniques, describes the operating principles of contactors and relays, including both mechanical and solid-state devices, explains how to select and install relays and troubleshoot control circuits.
PREREQUISITES: NCCER Electrical 2.2