6.) While on the job, you encounter a unit that Bootleg HVAC installed, so the wires feeding the unit are not colored, and have no phasing tape on them. The labels are worn and faded, leaving them unreadable. To determine the voltage of the system, you use your meter to check voltage, and you get the following nominal readings:
A to ground – 120V A to B – 208V
B to ground – 120V A to C – 208V
C to ground – 120V B to C – 208V