Branch circuits shall originate in an approved power outlet or panelboard.
Conductors shall be multiconductor cord or cable assemblies or open conductors. If run as open conductors, they shall be fastened at ceiling height every 3.05 m (10.0 ft).
No branch-circuit conductor may be laid on the floor.
Each branch circuit that supplies receptacles or fixed equipment shall contain a separate equipment grounding conductor if run as open conductors.