California Code, Public Utilities Code - PUC § 8029.5

No person shall place, erect, or maintain on any pole any transformer, capacitor, or other electrical device containing polychlorinated biphenyls for transforming electric current, when the pole or transformer is required to be marked pursuant to applicable regulations of the United States Environmental Protection Agency, unless the person owning or controlling the pole on which the device is situated, upon request of any fire protection agency within the person's electrical service area, either marks the pole with a reflective band specified by the fire protection agency or furnishes to the fire protection agency the location of every pole within the fire protection agency on which such a device is located, at the person's option.