A connector for electrical connection to an electrified grid element having first and second conductors disposed on a top portion of the grid element. In one embodiment, the connector comprises a single-piece insulator housing; a fastening means on the insulator housing for attaching the connector to a device; and first and second contacts within the insulator housing, the insulator housing configured to align the first and second contacts with the first and second conductors of the electrified grid element; wherein a base of the insulator housing comprises a recess that corresponds to the shape of the top portion of the grid element such that the housing can be mounted over the top portion of the grid member.