Grounding an EM cabinet's metal parts

Steps

• Fit a three-prong cord and bolt its ground wire to the transformer frame.
• Run a wire from the transformer frame to the rear of one metal side rail.
• Run a wire from the front of that side rail to the coin door and the lockdown bar.
• Finish with a wire linking the coin door and the second side rail (and leg plates if wanted).

Unplug the game first: the power cord, fuse block and transformer primary carry 115 V line voltage.

Systems

• Electro-mechanical

Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part Two, Clay Harrell (pinrepair.com)