So, it is pretty straight forward how they work. I did a little practicing with a set up before actually connecting. The connectors work pretty slick. If you have a thick gauge wire, it can be a little tough slipping the connectors over the wire. Pinching the wire with pliers gives the appropriate purchase point to get the sleeve to easily go over the wire. I would suggest Zuckeo to do a youtube video on making the connections, because before purchasing, it is a little hard to look at the item aSee full review