Extension (Slave) Socket. You are allowed to install extension wiring so long as the connection to the master socket is via a plug, or in the case of the master socket with a detachable lower half, via the connectors on that section.
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Spring AUX Cable 3.5mm Audio Stereo Jack Male to Female Headphone Extension Cable for Auto Car Earphone Speaker Extender Cable
Aliexpress UK
Suitable for NTE5 Sockets: Specifically designed for NTE5 type connections.
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Replacement Headphone USB Cable Sound Card Audio Cable Extension Music Cord for Steelseries Arctis 3 5 7 Gaming Headphone
Aliexpress UK
This cable can be used to connect your ADSL Modem (with an RJ11socket) to the Filter/Splitter. plugged into your BT ADSL enabled wall socket. Connection: 4 Pin RJ11 to RJ11. Suite for ADSL connection.
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Vention Headphone Extension Cable Jack 3.5mm Audio Aux Cable for Earphone Xiaomi Redmi 5 plus PC 3.5mm Male to Female AUX Cable
Aliexpress UK
Kit includes 10m cable.
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Audio Splitter Microphone Extension Cable Double Microphone Cable Jack 3.5mm Cable Male to 2 Female for Phone Laptop Cable
Aliexpress UK
Your phone, fax machine, modem, or network hub can all be placed farther away from your BT phone socket by using this telephone extension cable (suitable for all UK setups). It is as simple as plugging this cable's female socket into your current wall socket and inserting your device into it. Because they only have four pins attached, the majority of phone extension cables being sold on eBay aren't appropriate for all phone connections. We guarantee that our cables, whether used for home or workplace connections, will function with your setup because all six pins are linked. Connections: BT Plug - BT Socket Colour: White Lengths Available 2m, 3m, 5m, 10m
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USB Cable Extension Cord Data Sync Charger With Switch ON/OFF Cable Extension USB 2.0 Male to Female Extension Extender Cable
Aliexpress UK
BT 431A Plug to BT 431A Plug. Fitted with standard BT style 4 way plug 431A to 431A. Connector type A - BT Plug 431A. Connector type B - BT Plug 431A. Straight wired so ideal for household BT connections.
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Rocoren 3.5mm Jack AUX Audio Cable Male to Female Earphone Extension Cord With Microphone For Phone Car Audio Tablets Headphones
Aliexpress UK
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Ugreen USB 3.0 Cable USB Extension Cable Male to Female Data Cable USB3.0 Extender Cord for PC TV USB Extension Cable
Aliexpress UK
Easy to fit ultra thin near invisible cable.
eBay
USB 3.0 Extension Cable USB Cable Male to Female Extender Cord Data Cable for Smart TV PS4 PS3 Xbox One SSD USB Cable Extension
Aliexpress UK