Transformer housing is dark grey polyester powder-coat formed steel case with stainless steel screws and lockable captive door, hinged on side. Weather-proof compartment for plug-in time clock and photo cell. 1/2 inch knockout on one side for hardwiring or accessory mounting. Internal transformer is epoxy encapsulated. Exterior mounting: transformer should be mounted on the wall, structure or post in the vertical position. Cable entries should be positioned downward. 6 ft heavy-duty 18 to 3 AWG, 105°C, SJT power cord with 3 prong grounded wall plug. The transformer is thermally protected on primary and secondary side is protected by circuit breaker. Shielded between primary and secondary. Insulation type transformers for safe operation. Euro-board terminal block for easy low voltage cable attachment.