All boards are combination of 14 & 1618 SWG sheet steel, free standing, extensible, totally enclosed, dust tight, vermin-proof cubicle, flush dead front and of modular construction suitable for 3 phase 415V 4 wire 50 Hertz system TN-S neutrals grounding. All boards are accessible from the front or as shown on Drgs and specified in the equipment data sheet, considering ease of maintenance of switch fuses, bus bars, cable terminations, meters etc. Cables entries can be both from top as well as bottom. All panels are CNC machine pressed with punched openings for meters etc. mounted on a 75mm high base channel frame. All sheet steel are made rust free through a process of degreasing, derusting, phosphating, activation etc. The panels are finished with powder coating of approved color. Engraved plasticaluminum labels are provided indicating the feeder details, and capacity and danger signs.