Chapter 1 of the 2017 National Electrical Code (NEC) contains definitions and general requirements for electrical installations. Several definitions were added, revised or relocated in the 2017 NEC. New and revised requirements for equipment installation, labeling, certification and working space will also be discussed.
Chapter 2 of the 2017 National Electrical Code (NEC) contains requirements for wiring of grounded conductors, branch, feeder and service conductors. Several changes were made for branch circuit conductors, feeder conductors and service conductors in Articles 210, 215, and 230, and, as always, they are some of the biggest in the entire Code. Changes include new and revised rules for GFCI and AFCI protection, dwelling unit circuiting and receptacles outlet revisions, fixing the electric service receptacle rule, adding required lighting, adding receptacles in commercial buildings(!), clarifying how to size feeders, and new listing rules for service equipment, and others as well.
o Explain the rules in the NEC Style Manual for definition placement in the 2017 NEC.
o Recognize the changes made to the definition of accessible readily, or what we know in the industry as readily accessible.
o Identify the new location of definitions associated with hazardous locations.
o Define new and revised terms used in the 2017 NEC.
o We'll also locate the requirements for reconditioned equipment.
o Explain the new rules for GFCI's and AFCI's
o Describe the changes to required branch circuits and receptacles in dwelling units and commercial buildings for that matter
o Describe the lighting outlet requirements that are found in 210.70
o You'll be able to discuss the new receptacle requirements for meeting rooms in 210.71
o Explain the exception for feeder sizing between separate connectors.
