Which entity must approve an electrical plan for a commercial building?

Approval of an electrical plan for a commercial building typically falls under the jurisdiction of the local building department. This entity is responsible for enforcing codes and regulations applicable to construction projects within its jurisdiction, which includes the installation of electrical systems. The local building department ensures that plans are compliant with safety standards, zoning laws, and building codes specific to the area.

The local building department also coordinates inspections during and after the construction process to verify that the work done aligns with the approved plans. This local oversight is crucial for ensuring public safety and maintaining the integrity of the electrical infrastructure.

In contrast, while the state electrical board may set regulations and standards, it does not engage directly with individual projects. The national electrical service offers guidelines but does not have the authority to approve plans at the local level. The contractor's licensing office primarily deals with the licensing of contractors rather than the approval of specific building plans.