Title: Identify the wire size and breaker size used for 220-volt appliance circuits.
Course: Building Trades II (17009-II) > Section: Electricity: Identifying and Installing Panelboards and Switchboards

Identification should include

- using Watt’s law
- determining voltage
- using the wire size chart.

IRC: Chapter 36, 37, and 38 (https://codes.iccsafe.org/content/IRC2018P4) cover wiring size, ratings, and loads.

Process/Skill Questions:

- What is the wire size for a 30-amp 220-volt appliance circuit?
- What is the wire size for a 60-amp 220-volt appliance circuit?

NCCER Standards:

Electrical

- 26106-02 Electrical Test Equipment
- 26108-02 Raceways, Boxes, and Fittings