No idea what your "premium" product meant.
Pick up one of the +/-$1 receptacles. Plastic, no metal on the
back, very light weight
Pick up one of the +/- $15 receptacles. Nylon, full metal back,
heavy screw plates.
The industry buzz words are things like residential, commercial,
industrial, spec grade, hospital grade.
The cost changes, the quality changes. They are probably all UL
approved, they will all work, the better grades last longer and
survive plug in and outs better.
Keep the whole world singing . . .
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