NEW 12 Pin Cinch Jones Plug P-312-CCT [or Molex Beau P-3312-CCT] connector with screw down strain relief. Eight blades are horizontal and four vertical to provide polarity. The connector can be wired as an AC or DC power cable. The socket measures 1.25in(W) x 0.94in(H) x 1.69in (L) (including strain relief). This connector fits the Accessories jack on the back of the Drake TR-7. 

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SPECIFICATIONS:  * Polarized to prevent wrong-way insertion * Plugs have projecting flat blades, sockets have recessed twin blades * Plug prongs are .156" wide x .047"thick * Solder lugs terminals with wiring holes .093" x .062"* Molded monoblock phenolic, black * Hood is thermoplastic * Up to 150 degree Celsius * Plug 250 VAC RMS maximum* 10 Amps maximum