Available in 5' [1.5m] length with 9" spacing. 15A tamper-resistant receptacles. 3-wire, #12 THHN (1 hot, 1 neutral and insulated ground conductor). .040" [1.0 mm] steel housing. Packed two per carton. Each unit supplied with one (1) Coupling and two (2) Blank End Fittings. USB is 2.4 Amps (shared between two ports) 5VDC. Please note the charging load on one module will not affect the charging performance of the other USB modules in the product.