Module 5 — Equipment for General Use
Selected Chapter 4 (e.g., 408, 410, 422, 400)
Need the actual NEC text?
Open NEC 2023 Free Access Viewer (NFPA.org)
Open NEC 2023 Free Access Viewer (NFPA.org)
Jump to 408 (panelboards), 410 (luminaires), 422 (appliances), 400 (flexible cords).
Learning Objectives
- Apply panelboard directory/clearance and labeling expectations (408).
- Choose luminaires by location rating; support and thermal limits (410).
- Interpret appliance nameplates and disconnect needs (422).
- Select flexible cords/cables appropriately (400).
Field Considerations
- Panelboards: Working space, directory accuracy, OCPD rating consistency.
- Luminaires: Damp/wet listings, can insulation contact, support/box fill.
- Appliances: MOCP/MCA on nameplate, disconnecting means, GFCI scopes.
- Flexible cords: Type, strain relief, protection from damage.
Tip: Nameplate + listing instructions can restrict beyond general rules; check before rough-in.
Tool — Quick Fixture VA Calculator
Use VA totals for branch circuit sizing with demand factors where applicable; verify in Article 220.
🔎 Practice Tool: Codebook Navigation
Enter an NEC Article number (e.g., 210) to see what it covers.
Glossary Tool
Search NEC/CEC terms. Click a term to expand the definition. ⭐ marks favorites (saved on this device).
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Tip: Use this with your printed codebook — star the terms your student struggles with to revisit quickly.