Even for future proofing as fibre optical digial cable is the modern future proofing option if deciding to spend more than this. They're impossible to fit RJ12 plugs so they use fakes with strandsinstead of solid wiring like mine!
eBay
EU Power Extension Cord C7 Power Cable Figure 8 Euro Plug AC Cable For Samsung LG Sony TV Samsung Monitor Power Supply PS2 3
Aliexpress UK
RJ12 is backwards compatible with RJ11. Will fit RJ11 ports and also RJ12 ports. BE AWARE OF FAKE 'CAT6'/'CAT6a' CABLES AVAILABLE ELSEWHERE. They're a gimmick. The cable is shielded with foil and features twisted pairs for maximum signal integrity.
eBay
15cm Data Cable 1 Port USB 2.0 To Dual USB 2.0 Ports 1 Male To 2 Female Ports USB Charging Power Cord Extension Cable Splitter
Aliexpress UK
RJ12 is backwards compatible with RJ11. Will fit RJ11 ports and also RJ12 ports. BE AWARE OF FAKE 'CAT6'/'CAT6a' CABLES AVAILABLE ELSEWHERE. The cable is shielded with foil and features twisted pairs for maximum signal integrity.
eBay
3pin 1.2m 500W UK EU US AU Plug Power Supply 10A Fuse Check The Rice Cooker Power Cord Lead Extension Cable Euro Power Cable
Aliexpress UK
Even for future proofing as fibre optical digial cable is the modern future proofing option if deciding to spend more than this. They're impossible to fit RJ12 plugs so they use fakes with strandsinstead of solid wiring like mine!
eBay
2 in 1 USB-C Extension Cable with ON OFF Switch, 5V Power Supply Charging Cord USB Type C Female to Type-C/Micro USB Male Cable
Aliexpress UK
ADSL 2+ High Speed Modem Cable -. As ADSL speeds increase, your normal phone cable isn t up for the job so to be able to get you a faster Internet connection this High Speed Internet Modem cable will sort you out.
eBay
4K HDMI Extenion Cable Long HDMI 2.0 Male to Female Cord 60Hz 4K HDMI Extender Lead HDMI Male to Female Extension Kable Cord HDR
Aliexpress UK
Free Male to Male Coupler Included - enables cable to be used as extension cable or female to female cable.
eBay
AV Cable for Sony Playstation PS2 PS3 6RCA Ypbpr Extension Cord for PS Game Console Controller Audio Video Cable Quality Wire
Aliexpress UK
High quality cable and construction.
eBay
DC Cable Connector Female to Female Adapter Waterproof Power Cable Extender for Starlink Mini Accessories Power Cord Extension
Aliexpress UK
Surplus to requirements , never used.
eBay
1.5M Jack 3.5mm Jack Extension Audio Cable Audio Cable Line Aux Cable for iPhone Samsung Xiaomi Audio Jack Car Headset Speaker
Aliexpress UK