POWERPART C-Line Range. Bagged with Header card. 1 x C-Line 2 Way Base Plate LP Range. Ultra Slim 3.5mm profile with reliable clip-in system Required with all LP 2 Way Face Plates. PO512 PO516 & PO522 C-Line is a modular range of wide range of electrical Components & Facias that mix and match to suit whatever your requirement you have.