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
- using the manufacturer instructions/label.

IRC: Chapter 36, 37, and 38 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?