Feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings. Power, lighting, control, and signal circuits. Fished or embedded in plaster. Concealed or exposed installations. Environmental air-handling spaces per NEC 300.22 (C). Places of Assembly per NEC 518.4 and theaters per NEC 520.5. Installation in cable tray and approved raceways. Under raised floors for information technology equipment conductors and cables per NEC 645.5(D) & 645.5(D)(2). Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.