Mich. Admin. Code R. 460.3703 - Voltage measurements and records

Rule 703.

(1) An electric utility or cooperative shall make voltage measurements at the electric utility's or cooperative's substation service terminals and, where permissible, at the electric utility's or cooperative's service points.

(2) Each electric utility or cooperative shall make a sufficient number of voltage measurements, using recording voltmeters, to determine if voltages comply with the requirements stated in R 460.3702. For installations in which the meter measures voltage, measurements using recording voltmeters are not necessary unless records of the measurements through the meter are not available.

(3) All records obtained under subrule (2) of this rule must be retained by the electric utility or cooperative for not less than 2 years and must be available for inspection by the commission's representatives. The records must indicate all of the following information:

(a) The location where the voltage was measured.

(b) The time and date of the measurement.

(c) For installations without meters that measure voltage variations, the results of the comparison with an indicating voltmeter at the time a recording meter is set.

(d) Number of customers impacted.

Notes

Mich. Admin. Code R. 460.3703

1983 AACS; 1996 AACS; 2019 AACS; 2023 MR 7, Eff. 4/10/2023