The benefit of MICC cables is that due to their unique construction the overall diameter of the cable is far smaller than that of an SWA cable. MICC cable can also perform at higher temperatures than the SWA alternative.

SWA cables also rely on different plastics and polymers to aid their fire protection capabilities, and these can deteriorate over time. In contrast, MICC cables are a non-ageing product that do not need plastics, polymers resins or tapes to provide fire protection, this is provided by the copper sheath with a melting point of 1,085°C and magnesium oxide insulation with a melting point of 2,852°C. These materials also make MICC cable 100% recyclable.