BV and BVR are insulated wires used in home renovations.
BV stands for plastic copper wire, also known as copper-core PVC insulated cloth wire. It's typically unsheathed, fixed, and rigid.
BVR stands for flexible wire, also known as copper-core PVC insulated flexible wire. It's suitable for wiring in flexible applications.
Below, we'll explain the advantages and disadvantages of BV and BVR wires:
BV wires
Mainly used for power supply, lighting, sockets, and air conditioning, they're suitable for cables and wires used in power plants, household appliances, instruments, and telecommunications equipment with AC voltages of 450/750V and below. Their stiffness makes them easier to bend and straighten.
Disadvantages: The wires are stiff, making repeated bends difficult to straighten, and prone to damage during bending and straightening.
Advantages: Long service life, and single-core cables are less susceptible to local short circuits and damage.
BVR wires
They're suitable for cables and wires used in power plants, household appliances, instruments, and telecommunications equipment with AC voltages of 450/750V and below, such as distribution boxes. Flexible cables are more complex to manufacture than rigid cables. They carry greater current than rigid cables in high-frequency circuits.
Advantages: Flexible cables are suitable for installation in temporary power supply locations and are easy to move.
Disadvantages: Short service life, rapid oxidation, and the ability to withstand local short-circuit currents, oxidize easily at high temperatures, and are prone to core breakage and localized overheating.
