Top 20 NEC Code Sections Every Journeyman Must Know
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Not every NEC section pulls equal weight on the exam. This is the countdown of the 20 sections that come up again and again, grouped by theme so they're easier to lock in.
In this lesson: 90.1 (purpose of the code), 110.14 (termination temperatures), 110.26 (working space), 200.6 (neutral identification), 210.8 (GFCI), 210.12 (AFCI), 210.52 (receptacle spacing), 220.12 (general lighting loads), 230.70 (service disconnect location), 240.4 (conductor protection), 240.21 (tap rules), 250.66 (GEC sizing), 250.122 (EGC sizing), 300.5 (underground depth), 310.15 (ampacity correction/adjustment), 314.16 (box fill), 334.80 (NM cable's 60°C ampacity trap), 406.4 (receptacle replacement), 410.16 (luminaire clearance), and 430.32 (motor overload sizing).
