You don't need to worry about a twist between the wires when you combine the wires. These lever nuts. --All kinds of standard test probes can be used to check the lever nut. --There is a test hole at the back of the lever nut and the hole are designed to check whether the wires have.
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127pcs Heat Shrink Tubing 2:1, Electrical Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit
Aliexpress UK
The cable features flexible plain annealed copper conductors and a circular high temperature PVC outer sheath. UL & CSA approved also to BS6231. BS EN 50525-2-31. Sheath: Circular high temperature PVC outer sheath in a large range of colours.
eBay
20 Pairs Spade Crimp Connectors Nylon Fully Insulated Electrical Wire Cable Crimp Terminals Kit Set
Aliexpress UK
Quantity: 1300PCS. Durable Insulated crimp connectors. Red: Suits cable/ wire sizes (0.5-1.5mm² 22-16AWG). Blue: Suits cable/ wire sizes (1.5-2.5mm² 16-14AWG). Yellow: Suits cable/ wire sizes (4.0-6.0mm² 12-10AWG).
eBay
1pc High Manganese Steel Diagonal Pliers, Electrical Wire Cable Cutters with Flush Nipper Side Snips, Hand tools for cutting
Aliexpress UK
Quick splice connectors suitable for connecting single or multi-core wires. The connectors are ideal for automotive applications to splice wires together. Red - Wire size 0.5-1.5mm² (16-22AWG). Blue - Wire size 1.5-2.5mm² (14-16AWG).
eBay
Sharp Diagonal Plier Cutter Electrical Wire Cable Zip Tie Cutting Metal Side Snips Flush Pliers Convenient Scissors Durable Tool
Aliexpress UK
Red Connectors: 0.25mm² to 1mm² / Conductor 9/0.30mm - 14/0.30mm. Blue Connectors: 1.1mm² to 2.6mm² / Conductor 21/0.30mm - 35/0.30mm. Yellow Connectors: 2.5mm² to 6.5mm² / Conductor 44/0.30mm - 65/0.30mm.
eBay
Tubular Crimp Terminals Electrical Wire Cable Ferrules Connectors E0508 E7508 E1008 E1508 E2508 E4009 E6012 Ring Sleeve
Aliexpress UK
Wire type: 6491X. SINGLE CORE CABLE - CUT TO LENGTH. - Insulation: Rigid PVC sheath. 0.75mm2 CABLE. 1.0mm2 CABLE. 1.5mm2 CABLE. Electrical Supplies. 2.5mm2 CABLE.
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2pcs 50A For Anderson Plug 2P Charging Connector 600V Quick Plug Car Battery Power Connectors Electrical Wire Cable Connectors
Aliexpress UK
High efficiency, high reliability and low cost crimper. 1 Ferrule Crimper. Made of high strength steel, with higher hardness, longer lifespn and can provides finer crimping effect. Uniform clamp pressure to ensure the uniform, accurate line appearance.
eBay
Crimp Spade Terminal Assorted Electrical Wire Cable Connector Kit Crimp Spade Insulated Ring Fork Spade Butt Set
Aliexpress UK
Enclosure Round IP44 80 x 40mm. 2 GANG DOUBLE 10A WALL LIGHT SWITCH SOCKET PLUG AND BOX WHITE PLASTIC SQUARE. 45A SHOWER CEILING PULL SWITCH NEON SOCKET PLUG AND BOX WHITE PLASTIC SQUARE. 1 GANG SINGLE 13A WALL SWITCH SWITCHED SOCKET PLUG AND BOX WHITE PLASTIC SQUARE.
eBay
100pcs/50pcs Closed End Crimp Caps Electrical Wire Cable Terminals Connectors Set AWG 12-10 16-14 22-16 / CE-1X CE-2X CE-5X
Aliexpress UK