Forums / Off Topic / Question for you electricians

1 week 41 min ago, 11:04 PM


cbxjeff's picture

Major General
Join Date:
May 2009
Indianapolis, IN, United States

I am installing a 220 circuit in my shop. My breaker box has 220 available but I've never needed anything but 110 in the past. My question is about my metal quad box. I have 10 ga 3 wire romex run to the new wall box. I have a 3 prong & socket twist lock connections there. This receptacle has all 3 connections insulated from e metal body. This is unlike your basic 110 v receptacle. So my metal quad box is not grounded. I have 3 wires - 2 hot and 1 neutral/ground. Should I worry about that box floating? Thanks guys.

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3 days 8 hours ago, 3:05 PM

bad landing47

bad landing47's picture

Brigadier General
Join Date:
Jul 2011
Roswell, NM, United States

Not a problem unless one of your hot wires is actually touching the box and you touch the box. Probaly not to todays code though.

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