An applicant for service must, at his own expense, equip his premises with all wiring and entrance equipment, all of which shall be constructed and maintained, subject to the approval of authorized inspectors, and in accordance with the National Electric Code and the rules of the utility in force at the time. The utility shall be under no duty to inspect the wiring and equipment of the customer.
('75 Code, § 6.23) Penalty, see § 10.99