Part 2 · Technical · Section 5
Install and Maintain Interior Electrical Systems
Check emergency lighting system · Correct the power factor on a system · Install bundled cables · Install busway duct · Install circuit breakers in panel boards · Install circuits using non-metallic sheathed cable · Install and connect system grounds · Install distribution panel boards · Install electrical metallic tubing · Install electrical appliances (water heater, A/C, etc.) · Install fluorescent lighting fixture · Install incandescent lighting fixture · Install lay-in busway work · Install liquid-tight flexible metal conduit · Install multi-conductor cable · Install multi-conduit layout ·
29lessons · ~268 min
737questions
16%of the exam
01Service FundamentalsOne Service per Building, the Disconnect, and the 2023 Emergency Disconnect · 10 min · public preview02Dwelling Load Calculations in the 2023 NECArticle 220 Standard and Optional Methods · 11 min · public preview03Grounding at the ServiceElectrodes, the Grounding Electrode Conductor, and the Main Bonding Jumper · 10 min · public preview04Service Load CalculationsWorked Examples (Article 220 Parts III–IV, 310.12, 230.42, Table 250.66, 450.3) · 11 min · public preview05Fault CurrentAvailable Fault Current, Interrupting Ratings, SCCR, Series Ratings and the 110.24 Label · 9 min · public preview06Temporary InstallationsArticle 590: Time Limits, Wiring Methods, GFCI and the Assured Grounding Program · 7 min · public preview07Service Conductors and Service Equipment in DetailClearances (230.24), Underground (230.30–230.33), Service-Entrance Conductors (230.40–230.54), Equipment Rules (230.62–230.82) and Service Overcurrent Protection (230.90–230.94) · 9 min · public preview08Feeders: Sizing(215), Overcurrent Protection, Taps (240.21), and Outside Feeders to Other Buildings (225) · 7 min · public preview09Feeder CalculationsWorked Examples (215.4, 310.15, Table 310.16, 240.21(B), 220.61, Chapter 9 Table 8) · 7 min · public preview10Feeder Grounding and BondingSeparate Buildings (250.32), the Feeder EGC (Table 250.122 and 250.122(D)/(E)/(H)/(I)), Where the Neutral May and May Not Be Bonded (250.142), and Feeder GFCI/GFPE/Autotransformer Rules · 9 min · public preview11GFCI and AFCI Protection in the 2023 NECWhere, What Rating, and the Exceptions · 9 min · public preview12Branch-Circuit Ratings, Conductor Minimums, Permissible Loads and the Required Dwelling Circuits8 min · public preview13Required Receptacle and Lighting Outlets in Dwellings210.52, 210.60–210.65, 210.70 · 8 min · public preview14Equipment Grounding ConductorsWhat Counts, How to Size Them (Table 250.122), and How to Connect Them · 8 min · public preview15Conductor AmpacityTable 310.16, Temperature Correction, Bundling Adjustment, Terminations and the Dwelling 83% Rule · 8 min · public preview16Branch-Circuit and Appliance CalculationsWorked Examples (210.19–210.23, 422.10–422.13, 424.4, 440.32, Table 220.55) · 6 min · public preview17Conductors: 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 preview18Boxes: Fill Calculations(314.16), Supports, Depth, Luminaire and Fan Boxes, and Pull-Box Sizing (314.28) · 8 min · public preview19Raceways: RMC, IMC, EMT, PVC, ENT, FMC and LFMC — Uses, Sizes, Bends, Securing and Supporting10 min · public preview20Conduit and Tubing FillChapter 9 Tables 1, 4, 5 and 8 and the Nipple Rule · 7 min · public preview21Cable Wiring MethodsNM, AC, MC, SE and UF — Where Permitted, Support, Protection and Ampacity · 9 min · public preview22Cabinets and Wire-Bending Space(312), Underground Wiring (Table 300.7(A)), and the Article 300 General Rules · 9 min · public preview23Cable Trays (392), Busways(368), Wireways (376), Surface and Strut Raceways (384/386/388) and Flexible Cords (400) · 14 min · public preview24Switches and ReceptaclesArticles 404 and 406 · 16 min · public preview25Luminaires: Article 410 — Locations, Closets, Supports, Recessed Luminaires, Track and Discharge Lighting9 min · public preview26Appliances and Fixed Electric Space HeatingArticles 422 and 424 — Circuits, Overcurrent Protection, Cords and Disconnects · 11 min · public preview27HVAC Equipment(Article 440), Panelboards (Article 408) and Working Space (110.26–110.28) · 13 min · public preview28Residential EquipmentRange and Dryer Circuits (250.140), Cord-Connected Kitchen Appliances (422.16), Appliance Disconnects (422.31–422.35), Ceiling Fans (422.18/314.27), Room Air Conditioners (440 Part VII), Hydromassage Tubs (680 Part VII) and HVAC Service Receptacles (210.63) · 9 min · public preview29Power-Factor Correction and Lighting-Level Calculations8 min · public preview
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