For computer pins & sockets, D-sub 26-28 AWG wire 

For butt-insulated connectors, 22-26 AWG   wire  

For telephone piercing spade   lugs, 22-26 AWG wire.  

For open barrel connectors, 20-22AWG wire  

For open barrel connectors, 14-18 AWG wire

For computer pins & sockets,   D-sub 26-28 AWG wire.  

For butt-insulated connectors 22-26 AWG wire     

For telephone piercing spade lugs, 22-26AWG wire.  

For open barrel connectors, 20-22AWG wire  

For open barrel connectors, 14-18 AWG wire  

For non-insulated terminals. 10-14 16-18 and 20-22 AWG wire