No contract, agreement, or understanding with another for the installation of electrical wiring or the installation of electrical parts of other apparatus shall be entered into by anyone not an electrical contractor. Provided, however, that a Class B electrician, as defined in § 36-16-2, is authorized to enter into a contract, undertaking, or agreement for the installation of electrical wiring and his authority under the contract, undertaking or agreement is limited to the installation of farm electrical wiring, residential electrical wiring, the installation of electrical equipment, appliances and apparatus, in relation to said farm and residential wiring.

Source: SL 1963, ch 216, § 15; SL 1978, ch 272, § 2.