In what voltages are infinite switches typically available?

Infinite switches, commonly used in commercial food equipment, are designed to provide variable power to heating elements, allowing for a wide range of cooking temperatures. The typical voltages available for these switches are 120, 208, and 240 volt.

The presence of 120 volts is significant because it is a standard voltage for many commercial appliances. The 208 volts commonly refers to three-phase circuits, which are prevalent in commercial kitchen environments where equipment may need more power for optimal operation. Lastly, the 240 volts is often used for larger cooking appliances that require higher wattage to function effectively.

The other voltage combinations provided in the other answer choices do not reflect the standard voltages utilized for infinite switches. For instance, 110 volts is an outdated standard, and while 220 volts might appear similar to 240, it is not the common voltage for these applications as noted. Therefore, the inclusion of 120, 208, and 240 volts accurately represents the operational voltages in which infinite switches are typically available.