Senate amendment makes the following changes to the 4th edition. 

Amends GS 143-138(b10), which contains the requirements that must be met in order for the replacement of water heaters in one- and two-family dwellings to be completed without the required permit, to allow the work to be done by a person or employee of a company licensed (was, only by a person licensed) under GS 87-21 or GS 87-21(i). Amends GS 143-138(b16) to allow for the repair or replacement of a water heater without a permit if the repair or replacement does not require the addition or relocation of electrical writing, the work is performed by a person or employee of a company licensed under GS 87-43, and the repair or replacement is performed in accordance with the current edition of the North Carolina State Building Code. Also amends GS 143-138(b16) to allow the repair or replacement of dishwashers, disposals, electrical devices, or lighting fixtures in residential or commercial structures to be done without a permit by a person or employee of a company (was, a person) licensed under GS 87-43, provided that the other listed requirements are met.