As a retired career firefighter (line Captain), I say:
A POX on the push in connections. One should NEVER use them, they are
bound to fail sooner due to the mechanics involved (each un/plug flexes
the internals and the binding spring and eventually fails) and they WILL
cause issues (such as arcing, overheating, causing a fire). It was
worse in decades past, when aluminum wire was allowed in code, now
thankfully that is not (the bimetal reactions were an <impolite phrase>
and aluminum melts MUCH lower than copper, it was sheer stupid).
Use the screw downs, ALWAYS, always, ALWAYS. Plus, even if it costs
more, get something made in this country with a known quality brand.
Consider the extra couple bucks as cheap insurance. Quality matters.
Do not count on the UL Listing, it means exactly zero.
If you're having an electrician do the install, demand in writing, that
only the screw downs will be used AND quality plugs, not the contractor
special of the day.
Rick NHC
On 6/14/2018 10:48 AM, Jim Brown wrote:
Some of these receptacles, including those that you're describing as
strip and push-in, are cheap JUNK. By all means, buy the better grade
stuff with a screw that tightens a plate to the conductors.
73, Jim K9YC
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