(1) Used in the furtherance of repairing, maintaining, or operating
any structures or any other physical facilities necessary for the
delivery of public utility services, including the furnishing of
electric, gas or steam service, water, sanitary sewer, telephone, and
television cable or community antenna service;
(2) While engaged in any activity necessarily related to the ultimate
delivery of such public utility services to consumers, including travel
or movement to, from, upon, or between activity sites (including
occasional travel or movement outside the service area necessitated by
any utility emergency as determined by the utility provider); and
(3) Except for any occasional emergency use, operated primarily within
the service area of a utility's subscribers or consumers, without regard
to whether the vehicle is owned, leased, or rented by the utility.