PN Series load centers - a new high-quality and feature rich line of load center products meets applications for virtually every need. The PN Series provide maximum flexibility in combination with labor saving features to aid the contractor while installing the product. PN load centers accept the plug-on neutral breakers, patented Insta-wire neutral/ground system, convertibility, copper bussing and mounting tabs on the trim - the features that we specifically engineered to decrease installation time and increase flexibility.