Saw these on YouTube, took a screenshot. Nifty idea - provides a quick way to attach power poles in an ad-hoc situation, as long as you can strip the wires. Might be useful in a field situation, where you don't happen to have your full power pole kit with you. I'm tempted to make a couple. The Wago inline splices are $9.45 for a dozen.
A little heat-shrink and you've got it. I haven't looked a what KE5EZZ is charging for those - doesn't seem to have a web site up.
