I prefer ring terminals and bolts. After bolting them up I wrap 4 layers of 33 or 88+ over them sticky side out then the rubber and then a regular layer. This facilitates easy removal down the road.
We use these:
Rob I have used them too! The only thing you must look out for is on the fine strand copper wire, the set screw will cut the wires strands and damage them, I know the 2011 code addresses lugs and ratings for fine strand wire and must be rated. I sorry I'm too lazy to get off the couch and get my code book for the article, but it's couch time now till bed time.
Good point.
We use these:
Would this be it?
Connectors and terminals for conductors more finely stranded than Class B and Class C stranding as shown in Chapter 9, Table 10, shall be identified for the specific conductor class or classes.