It is more appropriate to choose multi-core cables for household cables.
The selection of household cables mainly considers several aspects: construction convenience, heat dissipation performance, service life and safety. In these aspects, multi-core cables have obvious advantages over single-core cables:
Construction convenience: Multi-core cables are composed of multiple thin copper wires. Compared with single-core cables (made of a thick copper wire), multi-core cables are softer and easier to construct. During home decoration or wiring, the softness of multi-core cables makes threading easier and can better adapt to the needs of bending and corners1.
Heat dissipation performance: Multi-core cables have certain gaps between copper wires, which is conducive to heat dissipation. Compared with single-core cables, they have certain advantages in heat dissipation. This is especially important for electrical equipment that works for a long time, and can effectively prevent safety hazards caused by overheating1.
Service life: Although single-core cables have strong pressure and corrosion resistance due to their high hardness, good conductivity, and long service life2. However, multi-core cables are relatively more exposed to air and are more susceptible to oxidation, so although their service life is shorter, in a home environment, their service life can usually meet the needs2.
Safety: Multi-core cables perform better in current transmission, can effectively reduce the impact of the skin effect, increase the utilization rate of cables, and also reduce the potential safety hazards caused by uneven current distribution3.
In summary, although single-core cables may be relatively cheap, multi-core cables are a better choice for home use in terms of construction convenience, heat dissipation performance, service life and safety.