SIGNAL & POWER DELIVERY SYSTEMS, INC.

Electric Bulk Power Transmission and Control

This includes establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations.

Other Communication and Energy Wire Manufacturing

This includes establishments primarily engaged in manufacturing insulated wire and cable of nonferrous metals from purchased wire.

Current-Carrying Wiring Device Manufacturing

This includes establishments primarily engaged in manufacturing current-carrying wiring devices.

Illustrative Examples:

Bus bars, electrical conductors (except switchgear-type), manufacturing
GFCI (ground fault circuit interrupters) manufacturing
Lamp holders manufacturing
Lightning arrestors and coils manufacturing
Receptacles (i.e., outlets), electrical, manufacturing
Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing

Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of electrical construction materials; wiring supplies; electric light fixtures; light bulbs; and/or electrical power equipment for the generation, transmission, distribution, or control of electric energy.