Air Hockey: nonpolarized 2 wire to 3 wire repair


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Old 04-30-17, 01:31 PM
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Air Hockey: nonpolarized 2 wire to 3 wire repair

Hi,

My dog chewed off the plug of an old air hockey unit we have. It's a standard 2 wire non-polarizing kind. I wanted to change it and then thought why not convert to a 3-wire. But where to put the ground? There is a small metal box that the plug goes into, under the table on the other side of the on/off switch. Can I just screw into the metal box and attach the ground wire there? Should I replace the metalbox with a plastic one? Do I need to do any of the above if I have a DFCI outlet? Any answers to these questions would be appreciated!!!
 
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Old 04-30-17, 01:36 PM
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No need to put a grounding plug on it. With the exception of that box, the entire thing is made of wood and plastic - including the blower housing. It won't do anything to increase safety.
 
 

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