An electrical item with multiple socket contacts which may or may not be interconnected by bussing, to form one or more circuits. item may be of feedback, feedthrough and/or terminating design and may afford a convenient method of interconnection. it may or may not include a sealing grommet. sectional blocks are normally retained in a track or channel mounting. excludes chamber, cable terminal; contact assembly, electrical; insert, electrical connector; juntion box ; terminal board; and terminal box.