Mainly because it's easy to break at the terminals (and sometimes a PIA getting a smaller conductor under some terminals). And the extra thickness of 22 guage gives the reassurance that all the required voltage will be available to the device based on the length of the wire run. Most installers already know the length limit on 22 guage, and they don't bother looking up voltage drops on any other size unless it's a really long run.
I think cat3 and 5 are fine for application where they have a RJ end crimped on, but I don't like using it when it would just get stripped and put under a terminal or crimped. Those conductors are so fragile the smallest nick in the conductor can cause it to snap off easily
Agreed, it's quite messy that way. But we've all seen it, and used the wire anyhow ;-)
Makes perfect sense. Thanks.
Best, Christopher
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