Stepper 145 for fitment to pre war Wurlitzers and supports ac wall powered 2 wire wallboxes. This unit is real clean and has been fitted with a jones plug to plug into a 1015 1080 or 1100 and use pre war wallboxes with. This plug can be removed for use with pre war boxes without the jones socket on the junction box. These are untested units sold as is assuming adjustment and repair.