1. (a) Service and maintenance. Each electric utility shall:

   1. (1) Service and maintain electric utility equipment installed on customers' premises; and
   2. (2) Adjust thermostats, clocks, relays, time switches, or photosensitive devices in order to provide service in accordance with approved tariffs.

2. (b) Adjustment.

   1. (1) Time switches.

      1. (A) The time switches installed by an electric utility for controlling equipment, such as street lights, shall be of such quality that the timing mechanism may be adjusted to operate within ten (10) minutes per month of the accurate time.
      2. (B) Time switches shall be inspected for proper operation at least quarterly and adjusted when:

3. (i) Found to be operating improperly; or

   1. (ii) Service interruptions or outages cause an error of one-half (1/2) hour or more.

   2. (2) Control devices.

      1. (A) Control devices installed by the electric utility to restrict the operation of appliances during on-peak hours shall be inspected for proper operation at regular intervals.

      2. (B) Control devices shall be adjusted when:

         1. (i) Found to be operating improperly;
         2. (ii) Service interruptions or outages result in an error of two (2) hours or more; or
         3. (iii) They fail to control the appliance during on-peak periods.

Codification Notes: This section was promulgated as Rule 4.04 of the Special Rules — Electric prior to codification in the Code of Arkansas Rules.