US Patent 7232336 Multipurpose connection box for electrical modules

A multipurpose connection box for connecting an electrical energy source to at least two different function modules having different electrical functions. Each function module has a different arrangement of male prongs and the connection box has corresponding terminals for receiving those prongs for plugging in either of the function modules one at a time. The terminals include serrated clamping jaws for penetrating insulated wires to provide electrical contact without removal of the insulation. The connection box may include features for mounting modules supporting ceiling fixtures.