日韩AV无码一区_精品亚洲国产成人AV_欧美日韩高清在线_1769国产精品视频免费观看_999精品视频在线_中文无码精品A∨在线观看不卡_国产人成乱码视频免费观看_国产人成乱码视频免费观看

BVVB line showcases its characteristics to people with a flat appearance. There are many types of sheathed wires, but BVVB wires have a unique appearance. The white surface looks generous and neat, and on the other hand, it is safer and more reliable to use. Therefore, BVVB wires are often used for decorative exposed wires.

BVVB wires are made of oxygen free copper conductors, which make the copper wire appear brighter, have lower resistance, and have excellent conductivity and high safety; The long-term operating temperature of the wire should not exceed 70 ℃ to prevent the wire from heating up.

There are certain differences between BVV sheathed wires, which can be distinguished from their structure, appearance, and purpose:

BVV is a copper core PVC insulated PVC sheathed circular cable with a single core and two-layer sheath.

BVVB is a copper core PVC insulated PVC sheathed flat cable with two cores and two layers of sheaths. The BVVB insulation core is not twisted and is placed in parallel with an external sheath.

Visually, BVVB is a flat two core wire, while BVV is a circular single core wire.

BVVB is mainly used for power transmission lines and control of mobile electrical appliances such as lifting equipment, cable tracks, transmission machinery, elevators, and telescopic machinery in special places, as well as household lighting.

BVV is mainly used in household appliances, interior decoration, power lighting, instrumentation and other places.