What is the maximum distance an electrical disconnect switch can be located from the air-conditioning unit it serves?

The maximum distance an electrical disconnect switch can be located from the air-conditioning unit it serves is based on safety codes and practices to ensure quick access in case of an emergency or maintenance. Specifically, the National Electrical Code (NEC) stipulates that disconnect switches should be accessible and should not be located more than 50 feet from the equipment they serve.

This regulation is in place to ensure that technicians can quickly shut off power to the unit if there is a problem, and it also means that in case of an emergency, first responders can easily access the disconnect. Locating the switch too far from the unit may compromise safety and accessibility, which are critical in managing electrical systems.

Thus, having the correct maximum distance as 50 feet aligns perfectly with these safety standards, enabling efficient operation and preventive measures during emergencies.