There are some advantages to using crimps & split bolts with Hi-Tensile wire. Probably most solid & permanent connection for jumper wire is use #CT4 OpenTap.
wire by powerflex – Powerflex
DIY: Y-Adapter Jumper Wire - Michael Schoeffler
Package includes--This breadboard Jumper Wires set contains 840pcs 24AWG U-Shape male to male jumper wires. Wire length 2 mm/0.08 5 mm/0.2 7
Minidodoca 840 Pcs Breadboard Jumper Wire Cables for Arduino, 14 Values, 2 mm/0.08-125 mm/4.92 U-Shape Magnetic Jumper Wires Assortment kit & 20Pcs
wire by powerflex – Powerflex
Interchange Part Number: Repace for 5C3Z-14A303-AA Quality: Made of high quality material, the auxiliary switch wiring is long lasting and stable
FSHero Riding in-Dash Upfitter Auxiliary Switch Panel Wire Harness Wiring Jumper Kit Fit for Ford F250 F350 Super Duty 2005 2006 2007 Repace for
POWERFLEX PLUS YMvKf power cable
DIY: Y-Adapter Jumper Wire - Michael Schoeffler
Package includes--This breadboard Jumper Wires set contains 840pcs 24AWG U-Shape male to male jumper wires. Wire length 2 mm/0.08 5 mm/0.2 7 mm/0.28 10 mm/0.39 12 mm/0.47 15 mm/0.59 17 mm/0.67 20 mm/0.79 22 mm/0.87 25 mm/0.98 50 mm/1.97 75 mm/2.95 100 mm/3.94 125 mm/4.92,60 pieces of each. & 20cm (8 inch) 20pin Male to Male Dupont jumper wires .
Minidodoca 840 Pcs Breadboard Jumper Wire Cables for Arduino, 14 Values, 2 mm/0.08-125 mm/4.92 U-Shape Magnetic Jumper Wires Assortment Kit
Gardner Bender Gidds-630337 10-089 WingGard Twist, 14-6 AWG, Electrical Nut, 50 pk, Blue Wire Connector, 50 Pack, Count