GFCI in garage

Old 10-10-10, 07:51 AM
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GFCI in garage

Hello again everyone,

I have a 20a circuit coming from the panel to a new wall, the way the path worked out, (the current plan is) it will got to a 4x4x 2 1/8 junction box with a mud ring for a single gfci rec. inside the box will be 3 12ga. loads pigtailed together (they branch off in different directions to 3 other single receptacles in the shop) and drawn off the load side of the gfci. the box looks busy to me and I think it would be roomier if I add a extension ring. anything wrong with a gfci rec in a sestup like this?

thanx for your help Eric
Old 10-10-10, 08:10 AM
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Your box is listed for 13 conductors, plus the volume of the mud ring. The volume is listed at 30.3 cubic inches.

4 12-2 cables = 8
1 ground = 1
device = 2
total 11 #12s at 2.25 each = 24.75

Your box is big enough.

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