Electrical 1: Commercial and Industrial Wiring

Identify and state the functions of basic types of switches. Describe National Electrical Manufacturers Association (NEMA) classifications for switches and enclosures. Describe the basic operation of a relay. Describe the basic operation of a limit switch. Describe basic types of switchgear. Describe common types of receptacles. Identify and describe the operation of a ground-fault circuit interrupter receptacle. Describe general steps involved in planning and installing a branch circuit. Describe National Electrical Code (NEC) requirements relating to box mounting procedures. Describe a procedure for stripping bending and splicing conductors during the installation of a single-pole switch.