20:10:39:49Conducting

the load box test. Except for dairies with three-phase balanced primary service, each of the following five steps for the load box test is conducted for at least two minutes: (1) The load box is de-energized, the dairy remains on, and the data is recorded; (2) The load box is de-energized, the dairy is shut off, and the data is recorded; (3) The load box is set to half load, the dairy is shut off, and the data is recorded; (4) The load box is set to full load, the dairy is shut off, and the data is recorded; and (5) The load box is set to full load, the dairy is turned on, and the data is recorded. For dairies with three-phase balanced primary service, the qualified testing professional only performs steps one and two.

Source: 42 SDR 174, effective June 21, 2016.