2026 NEC · Module 4
Branch Circuits & Conductors
GFCI and AFCI Protection · Branch Circuits / Branch Circuit Calculations · Branch Circuit Overcurrent Protection · Conductors · Grounding and Bonding Conductors
7lessons · ~51 min
166questions
18%of the exam
01GFCI and AFCI Protection in the 2026 NEC — Where, What Rating, and the Exceptions7 min · public preview02Branch-Circuit Ratings, Conductor Minimums, Permissible Loads and the Required Dwelling Circuits8 min · public preview03Required Receptacle and Lighting Outlets in Dwellings — 210.52, 210.60–210.65, 210.707 min · public preview04Equipment Grounding Conductors: What Counts, How to Size Them (Table 250.122), and How to Connect Them8 min · public preview05Conductor Ampacity: Table 310.16, Temperature Correction, Bundling Adjustment, Terminations and the Dwelling 83% Rule8 min · public preview06Branch-Circuit and Appliance Calculations — Worked Examples (210.19–210.23, 422.10–422.13, 424.4, 440.32, Table 120.55)5 min · public preview07Conductors: Materials and Minimum Sizes (310.5), Insulation Types and Wet Locations (Table 310.4(1), 310.10), Identification (Article 200, 310.6), Parallel Conductors (310.10(G)) and Conductor Properties (Chapter 9 Table 8)8 min · public preview
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