The 3.8/6.6kV voltage rating is a key entry point into the medium voltage (MV) cable classification and is more commonly associated with British standards, notably both BS6622 and BS7835 specifications. These cables serve as the foundation for power distribution systems requiring voltages above the extended low voltage range (1.9/3.3kV) but below the higher distribution voltages (6.35/11kV). The 3.8/6.6kV designation indicates cables designed for systems where the phase-to-earth voltage is 3.8kV and phase-to-phase voltage is 6.6kV, with a maximum system voltage (Um) of 7.2kV.

on30/12/2025

What is 3.8/6.6kV Cable?

3.8/6.6kV cable, 6.6kV cable, 6600V cable, medium voltage cable, MV cable, BS6622, BS7835, XLPE cable, armoured cable, SWA cable, AWA cable, power cable 6.6kV

Offshore Energies UK (OEUK), formerly Oil and Gas UK (OGUK), is a trade association for the United Kingdom offshore energy industry. The OGUK cable specification first saw life in 2007 following the rebranding of the UK Offshore Operators Association (UKOOA), an organisation created by the UK government in 1996 to standardise the products and services supplied to the offshore industry. As part of its mandate, OGUK speaks for and represents the entire offshore sector operating on the UK Continental Shelf (UKCS).

Technical Department

on30/12/2025

OGUK cable, UKOOA cable, UK offshore cable, offshore cable UKCS, Oil Gas UK cable, UK Offshore Operators Association cable, British offshore cable, UKCS cable standard, offshore power cable, offshore instrumentation cable

Lloyd's Register cable, LR cable, Lloyd's Register approved cable, LR type approval, marine cable, ship wiring cable, offshore cable, shipboard cable, classification society cable, LR certified cable, Lloyd's Register certification, marine power cable

Technical Department

on30/12/2025

What is Lloyd’s Register Cable?

BS 6883, BS 6883 cable, BS6883, Type SW4 cable, SW4 sheath, SW4 marine cable, BS 6883 Type SW4, shipwiring cable BS 6883, marine cable BS 6883, offshore cable BS 6883, elastomer insulated cable, HOFR cable

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BS7917

What is 3.8/6.6kV Cable?

What is OGUK / UKOOA Cable?

What is Lloyd’s Register Cable?