Methods and apparatuses for power distribution improve and can standardize electrical connections between electrical cables and the multitude of electrical switches, receptacles, and fixtures of known technology. The invention can include modular hardware components such as junction boxes, electrical devices, adaptors, a/b switches, etc. that simplify both installation and inspection requirements at the job site. Optional color coding can facilitate proper wiring of the components. The invention allows field wiring to be completed more quickly and accurately thereby advantageously reducing associated costs and increasing safety.