ADSL Cable for 5v sensors?

heinburgh:
You're referring to these?

https://www.ebay.co.uk/itm/SP13-SP17-Std-Series-IP68-Waterproof-Circular-Multipole-Plug-Socket-Connectors/161568085294?_trksid=p2485497.m4902.l9144

Looks like a good option, thanks. Just wish I could find them at a better price.

These were the kind I found.
https://www.aliexpress.com/item/1pair-Male-Female-Plug-2-Pin-4-pin-LED-Waterproof-Connector-Cable-White-For-Single-Color/32779495314.html

They aren't precision built so expect to wrestle with the pin alignment.