The provisions of Regulation 21 constitute Pasadena Water and Power's rules, regulations, and policies for electrical design, installation, upgrades, equipment maintenance, and safety.  All property owners, electrical contractors, engineers, architects, and equipment manufacturers in Pasadena are advised to read the electric service requirements stipulated in Regulation 21.

Important notice to property owners with vaults on their property: In accordance with Regulation 21, and as enforced by the City's Ordinance 13.04.125, it is the property owners responsibility to maintain and repair the vault, and guarantee easy access to the vault for PWP employees and contractors.

• Read the full text of Regulation 21

• Read Reg. 21, Article IV, "Transformer Enclosure/Vaults on Private Property" 
  (Contains vital safety information for electrical vaults on private property.)

• Read the City's Ordinance 13.04.125

• Download the Vault Owner's Guidebook