We are talking about wires coming loose from clamps not screws
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...
On Sun, 15 May 2005 12:28:29 -0400, "RBM" rbm2(remove
wrote:

Lately, all Levitan brand GFCI outlets come with clamp only connections.
If
you're using stranded wire, they're fine, however standard building wire
is
solid and I find that I'll tighten the clamp as much as I can on each
wire,
then as I push the receptacle into the box I usually notice the wires
moving
in the clamps. The movement of the outlet while installing the wires tends
to loosen them. What I do is retighten each one just as I'm pushing it
into
the box. How many people, especially those with limited experience are
even
going to notice this. With a backstab, you can insert the wire, then pull
on
it to be sure it's in good, and if it's not you usually feel it. I'm not
advocating the backstab method, especially for non professionals. When you
turn the wire on a screw, you can both see and feel that you have a good
connection


In all my years of doing wiring, I have never had the wires "turn" on
the screws when pushing the outlet into the box. If they do, they
were not tightened enough, or the wires were not wrapped all the way
around the screw. I have had the wire break a few times, but that
just happens sometimes and is ususlly caused by a little nick in the
wire from stripping it, or wire that has been bent several times.
I NEVER use the back stab holes. They simply are not safe, and in my
opinion, should not be legal.