It is hard for me to see your image details on the many crimper types. You need the type with the bump in the middle to roll the edge back onto itself.
Not sure what you mean by "open barrel" but to properly crimp an MC4 and not having the knowledge that the manufacturer has about their product I'd use what they recommend which is the tool that folds the ends back down into the wire. Like the one in post #2
Not sure what you mean by "open barrel" but to properly crimp an MC4 and not having the knowledge that the manufacturer has about their product I'd use what they recommend which is the tool that folds the ends back down into the wire. Like the one in post #2
Not sure what you mean by "open barrel" but to properly crimp an MC4 and not having the knowledge that the manufacturer has about their product I'd use what they recommend which is the tool that folds the ends back down into the wire. Like the one in post #2
I can remember "crimping" terminals with a steel hammer in a steel table 40+ years ago in a multi-million dollar mfg company's plant. I cringe just thinking about that now. Thankfully we moved to more correct methods not long after I started working there. Proper tools are needed but other methods will work...more or less. In the case of PV wiring, bad connections and the heat that they generate are problems that we don't need.
I'd highly recommend getting the mc4 crimper from the get to. It's the only tool that will crimp the mc4 connectors properly. You wont be able to pull the cables apart by force, which is indication of properly crimped connectors.