Code Hunter: Dwelling Units, NEC-2020

Code Hunter
Reading Time: < 1 minute

To play this game, you need a sharp eye, a quick mind, and a 2020 National Electrical Code book.

(Fill-in-the-blank questions are looking for the exact words) used in the NEC). The 2020 NEC can be accessed online for free at Purchase the print edition from our IAEI Store.

1. Surge protection is required for dwelling unit services.
2. An outside emergency disconnect is required for one- and two-family dwelling units.
3. Receptacles located above the rim of a bathtub must be GFCI protected.
4. GFCI protection for personnel is not required for 240-volt outlets that supply a boat hoist installed at dwelling unit docking facilities.
5. A single-phase pool pump motor rated 230 volts and 50 amperes requires Class A GFCI protection.
6. Solar PV systems on private homes are permitted up to 1000 volts.
7. A receptacle is required within two feet of the end of a peninsular countertop.
8. Hard-wired residential generators are required to have a disconnect located outside the building.
9. In dwelling units, 250-volt receptacles are required to be protected by a ground-fault circuit-interrupter (GFCI).
10. Outdoor air conditioning units for dwelling units do not require GFCI protection.

Bonus Question

Are 14 AWG copper-clad aluminum conductors permitted for branch circuits in dwelling units?



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