Thread: Romex wiring
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Member, Takoma Park Volunteer Fire Department
 
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Default Romex wiring

Classic66s wrote:
I am finishing an office in my basement and have never worked with
Romex before. I always did the conduit and wire method. I installed
outlets in an office I built and hooked the circuit to a hot line.
When I checked the outlets they all said open ground except the last
one in line and it showed correctly wired. That one has the ground
wire connected right to the outlets grren screw. The outlets in
between the correct one and where I hooked into the power all say open
ground. I just twisted the ground wire together and continued down the
line. I take it that is incorrect? Please advise.


When wiring a box with Romex you leave ten inches of bare Equipment
Grounding Conductor (EGC) to each cable. You wrap one around the box
bonding screw and one around the grounding screw on the receptacle or
other device and then you splice them together. If there are multiple
devices in the box you splice a four inch pig tail or jumper for each
device in with the EGCs and then connect the jumpers to the individual
device grounding screws. The EGC from the power source is looped around
the box bonding screw prior to the splice.

If you no longer have enough wire to loop then splice the EGCs from each
cable to jumpers for each device and one for the box.
--
Tom Horne