Carriage Free. They are very simple to use, insert one wire in each hole and just squeeze down using pliers. The wires do not need to be stripped as the IDC connection in the crimp does that for you.
eBay
Universal 1/5/10 Fast Wire Connector Push-in Electrical Terminal Block for Splicing Wiring Cable Connectors Cable Connection SPL
Aliexpress UK
Suitable for use with either 2 or 4 wire cables. High quality product not like the cheaper versions.
eBay
4PCS Plug Cover Waterproof 50A For Anderson Plug Connector Dustproof Cable Jacket Black Cable Connectors
Aliexpress UK
High quality product as used by BT engineers, made by DexGreen. They are very simple to use, insert one wire in each hole and just squeeze down using pliers. The wires do not need to be stripped as the IDC connection in the crimp does that for you.
eBay
AMPCOM CAT5e RJ45 Connector 8P8C Modular Ethernet Cable RJ 45 Ends Ethernet Cable Crimp Connectors UTP Network Plug
Aliexpress UK
This sort of cable past 20m+ is still a best bet to maintain connection compared to unshielded at these lengths. BE AWARE OF FAKE 'CAT6'/'CAT6a' CABLES AVAILABLE ELSEWHERE. BT MINI CONNECTORS ARE NOT.
eBay
10Pair MC4 Photovoltaic Solar Connectors Efficiency Waterproof Male And Female Wire Cable Connector For Solar Cable Home Outdoor
Aliexpress UK
GENUNINE BT MALE (431a) CONNECTOR to RJ45. High Quality Genuine BT Connector 431A. BT male plug connects to the BT socket & the RJ45 male plug connects to the RJ45 socket/patch panel. Designed originally to carry phone line from BT socket through RJ45 structured cabling.
eBay
4PCS Waterproof Junction Box, 3 Way Outdoor Electrical Cable Connector, IP68 Waterproof Wire Connector Cable Range Ø 3.5-10mm
Aliexpress UK
The wires do not need to be stripped as the IDC connection in the crimp does that for you. They are very simple to use, insert one wire in each hole and just squeeze down using pliers.
eBay
UGREEN RJ45 Crimper Tool Network Cable Punch Lan Tools for Cat5e/6/6a 8P Ethernet Cable RJ45 connector 6P RJ11 connector Plug
Aliexpress UK
The wires do not need to be stripped as the IDC connection in the crimp does that for you. High quality product as used by BT engineers, made by Dexgreen. They are very simple to use, insert one wire in each hole and just squeeze down using pliers.
eBay
4 PIN RGB LED Connector Extension Cable Cord Wire 4pin LED Connectors Wire 1M 2M 5M 30cm for SMD 5050 3528 RGB LED Strip light
Aliexpress UK
【Compact and Lightweight】: BT2.0 U Shaped Power Cables, compact, integrated structure shortens power cable length, reduces overall weight, and ensures a tidy fit for 1S. 【1.0mm Banana Connectors】: BT2.0 connector uses 1.0mm banana connectors with increased cross sectional area to significantly lower internal resistance.
eBay
5pcs RCA Female to Female Jack Plug Connector Adapter Male to Male RCA Connector Video Audio Extender Cord Cable Converter
Aliexpress UK