Type of terminals 12" Lead or Post Terminals Junction Box Two flexible fiberglass insulated lead wires without junction box. Protected fiberglass Wires with G.I or SS flexible conduct. Vertical/horizontal male plug on the heater Max. Amp 16 at 250V. Fiberglass wire exists between Inner and Outer sheath. Post terminal option available at 19 mm length. Ceramic connectors Max. Amp - 25 A When ordering please specify : Inside dia. & width of the heater. Wattage & Voltage. Construction type Type of terminals required. Drawing where special type of holes or cutout required.