Home wiring

Hi Group,

I am wiring a room in my basement. It is a new room. I have purchased 2
books on home wiring and I am confident about doing the work myself. I
have 4 plug outlets, one light switch, two light ceiling outlets. I am
'daisy chaining' these together to go on the same circuit. As such, I
am pig tailing the wires to connect to the actual outlet devices. My
question is about the grounding. To save a few dollars, I purchased
these metal cases for the outlets that seem to be all I would need.
Except, when I look at the existing ones that were put in when the
house was built, they are a bit different, namely, there are two screws
in the case for the ground wires. Since I have 2 wires passing through
for the daisy chaining, I also have two ground wires. So, finally, the
question: Is it OK to put two ground wires on the same screw? Or, is
the double screw cases really made for a reason? IE. Do I need to buy a
new metal case to provide appropriate grounding.

I would think not, since even with the double screws both grounds are
for all intents and purposes connected to the same box?

Anyhow, thought I would ask to be safe.

Thanks for your time and resonses.

Rick.

.

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