Whilst low voltage generally refers to cables under 1kV voltage, the 1.9/3.3kV cables are often classified within this banding too. These cables represent the upper boundary of the "extended low voltage" classification and are primarily manufactured in accordance with British Standards BS5467 and BS6724. The 1.9/3.3kV rating indicates cables designed for systems where the phase-to-earth voltage is 1.9kV and phase-to-phase voltage is 3.3kV, with a maximum system voltage (Um) of 3.6kV.

on30/12/2025

What is 1.9/3.3kV Cable?

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