Abstract: A backwired, three dimensional, electronic jig board assembly comprising a table top formed with a planar, rectangular surface having a plurality of apertures for the laying up of three dimensional wire harnesses thereupon; a plug board extending downwardly at right angles from one long edge of the table top, the plug board having upwardly extending slots from the free edge thereof opposite the edge coupled to the table top, with apertures formed as extensions of each slot for the receipt of connectors and the like; a safety plate extending downwardly from each short edge of the table top and spanning the plug board, each safety plate having a central aperture and a pivot rod fixedly secured thereto; support legs coupled to the pivot rods for the pivoting of the table top and plug board with respect thereto; apertures formed in each safety plate for the receipt of a pin passing through the support legs to secure each safety plate as well as the table top and plug board in any one of a plurality of angular ori