In article , Al Reynolds
writes
Hello,

I have now purchased this ratchet crimping tool:
....

My instinct is that when crimping the (1&2) end of the
crimp, the flatter (A) jaw should be at (1), and the more
rounded (B) jaw should be at (2). Can anyone confirm
or correct me on this?


Yes, the wider part goes round the outer end of the crimp, where the
wire insulation is. For butt crimps like you are using, you crimp twice,
once for each wire, keeping the wider part on the outside.

--
Tim Mitchell