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They in turn had to terminate it and said they had trouble because the electricians ran stranded instead of solid.

The only thing you should have recommended is to rip it out and start from scratch then back charge the idiot electrician. Why would you even think about certification when none of the terminations can be relied on to begin with? Even if they are lucky enough to have some runs work they are going to fail sooner or later.

Stranded cable is for making patch cords with plugs NOT premises wiring with jacks and patch panels. There is NO WAY that this is a usable installation.

Musta missed the U Tube on that...

-Hal