reliable cat5e or 6 cabling supplier?

[#1]

who is your goto cat5e or 6 cabling supplier at 15meters, had a lemming from broadband buyers

[#2]

It's worth owning a network cable tester of which there are plenty available for a tenner or less,

e.g. https://www.amazon.co.uk/s?k=network+cable+tester&crid=2J4AC1BSRILAR&sprefix=network+cable+tester%2C...

[#3 · Accepted solution]

and turns out my cleaner when putting a box under the hub2 at aid in it being a bit higher off ground for my back, had unknown to me unplugged the cat5e from the router so yeah it showed as failing...

https://www.thinkbroadband.com/_assets/speedtest/button/1702638840663867455.png