National standard BV4 square single core copper wire

Square single-strand copper core household wires, lighting wires
The difference between single-strand copper wire and multi-strand copper wire is mainly in its structure. Since multi-strand copper wire is softer, it is not easy to break the core. It is suitable for situations where wires need to follow the movement (such as general distribution boxes and cabinet doors where multiple wires are laid together (to facilitate wire laying and wire bundle shaping). Compared with single-strand wires, multi-strand wires are more versatile For control lines. Due to its structural reasons, single-strand wires are correspondingly harder than multi-strand wires and are generally used for fixed laying (such as pipe lines and other single-strand copper wires). Compared with multi-strand copper wires, single-strand copper wires are used in line Connectors and equipment wiring are more convenient. Multi-stranded copper wires generally require crimping or welding wire noses, etc. However, multi-stranded copper wires are more expensive than single-stranded copper wires. There are no hard and fast rules for the selection of wires for line laying. In our country, there are According to regulations, the maximum cross-sectional area of a single-strand copper core wire is
square millimeters. However, multi-strand soft copper wire must be used in mobile situations to avoid accidents.


General Household
A square single-strand copper wire is enough
,
If the electricity consumption is large
,
you can choose
a square one.