Chapter 21.05 Duties of Public Utilities 21.05.010 Utility to Provide Adequate Service 21.05.020 Reasonable Charges for Services and Commodities of Utility 21.05.030 Standard of Service 21.05.040 Violation of Prescribed System of Accounts Unlawful 21.05.050 Customer Deposits; Interest 21.05.060 Unreasonable Preferences or Advantages Prohibited 21.05.070 Orders of the Commission; Observance by Utility 21.05.080 Disconnection During Cold Weather