The AP12 junction box has two 3-pole insulated 6 mm² connectors. The base plate offers a choice of eight different connection points for the connectors. There are three knock-outs in the bottom of the box. The cover has knock-outs in the corners and on the long sides of the cover. The maximum wire capacity per connector is 8 x 1,5 mm² or 5 x 2,5 mm².