Authority: IC 8-1-1-3; IC 8-1-2-4
Affected: IC 8-1-2-33
Sec. 19.
Standard Frequency. Each public utility supplying alternating current shall adopt a standard nominal frequency of 60 HZ. Momentary variations of frequency of more than five percent (5%), which are clearly due to no lack of proper equipment or reasonable care on the part of the public utility, shall not be considered a violation of this rule.
170 IAC 4-1-19