Cruising Sailors Forum Archive
A heat seal step down but connector 
In Response To: Ever heard of solder sleeves? 
()
() very nice,, didn't know they existed
http://www.electricalhub.com/heat-shrink-connectors-1/step-down-butt-connectors
or the solder sleeves you were talking about
http://www.electricalhub.com/nspa-ml510-multilink-heat-shrink-crimp-and-solder-butt-connectors