running EMT with green

Old 12-16-05, 06:56 AM
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Join Date: Oct 2005
Location: USA
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running EMT with green

For my garage wiring project, i'm using EMT, but also using THHN green for grounding to the yokes of the various devices. Is there a requirement to attach the green wire to the boxes? The conduit is run all the way to the load center.
Old 12-16-05, 08:08 AM
Join Date: Jan 2004
Location: Oregon
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Yes, all grounds must be joined all locations where grounds are spliced. The conduit and metal box are one ground, and the green THHN is another ground. When you make up splices for the ground wires, just run a pigtail to a grounding screw in the threaded hole at the back of the box.


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