Button Object w/ Analog Gauge

Create an SVG Object of an interactive SVG button. Three(3) button objects are shown with an interactive analog gauge attached to a feeder line leaving the button..
Scenerio:
The user places cursor over the button, then toggels the button to ON(green) or OFF(red). The button displays "ON" or "OFF" text. When 'ON' is selected it activates the analog gauge (simulated values).

A 'feed' line leaving the bottom of button displays as dashed/red for OFF and solid/green for ON. (It is intended to connect to an image representing where the feed connects.)
OFF OFF

SVG Source:
Javascript: