A hot melt adhesive material dispensing system comprising: an adhesive supply unit for providing a supply of hot melt adhesive material to be dispensed; at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit; an applicator head for dispensing hot melt adhesive material supplied to said applicator head by said adhesive supply unit; at least one electrical component (106, 114, 116, 118) disposed upon said applicator head; a hot melt adhesive material hose assembly having opposite ends thereof fixedly connected to said adhesive supply unit and said applicator head for conducting hot melt adhesive material from said adhesive supply unit to said applicator head; characterized by the system further comprising a wire incorporated within said hot melt adhesive material hose assembly; and signal coupler means (136, 138) respectively incorporated within said adhesive supply unit and said applicator head adapted to conveying a multiplicity of data, information and control signals between said at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit and said at least one electrical component (108, 114, 116, 118) disposed upon said applicator head by means of said wire incorporated within said hot melt adhesive material hose assembly, wherein said wire, incorporated within said hot melt adhesive material hose assembly, serves as a carrier for said multiplicity of data, information and control signals which are overlayed onto said wire by said signal coupler means such that said multiplicity of data, information and control signals are transmitted from said at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit to said at least one electrical component (108, 114, 116, 118) disposed upon said applicator head and from said at least one electrical component disposed upon said applicator head to said at least one electrical component disposed upon said adhesive supply unit. an adhesive supply unit for providing a supply of hot melt adhesive material to be dispensed; at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit; an applicator head for dispensing hot melt adhesive material supplied to said applicator head by said adhesive supply unit; at least one electrical component (106, 114, 116, 118) disposed upon said applicator head; a hot melt adhesive material hose assembly having opposite ends thereof fixedly connected to said adhesive supply unit and said applicator head for conducting hot melt adhesive material from said adhesive supply unit to said applicator head; a wire incorporated within said hot melt adhesive material hose assembly; and signal coupler means (136, 138) respectively incorporated within said adhesive supply unit and said applicator head adapted to conveying a multiplicity of data, information and control signals between said at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit and said at least one electrical component (108, 114, 116, 118) disposed upon said applicator head by means of said wire incorporated within said hot melt adhesive material hose assembly, wherein said wire, incorporated within said hot melt adhesive material hose assembly, serves as a carrier for said multiplicity of data, information and control signals which are overlayed onto said wire by said signal coupler means such that said multiplicity of data, information and control signals are transmitted from said at least one electrical component (120, 122, 124) disposed upon said adhesive supply unit to said at least one electrical component (108, 114, 116, 118) disposed upon said applicator head and from said at least one electrical component disposed upon said applicator head to said at least one electrical component disposed upon said adhesive supply unit.