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High-voltage power cables-how to choose home improvement wires? Understand these, don't be pitted
- Categories:Industry News
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- Time of issue:2020-03-29 17:36
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(Summary description)Circuit engineering is a very important step in the decoration process. The choice of wires is also related to the safety of power consumption in the later period. The following is a brief introduction to the common specifications and model-level purchase considerations of home improvement wires to help you choose the right Home improvement wire.
High-voltage power cables-how to choose home improvement wires? Understand these, don't be pitted
(Summary description)Circuit engineering is a very important step in the decoration process. The choice of wires is also related to the safety of power consumption in the later period. The following is a brief introduction to the common specifications and model-level purchase considerations of home improvement wires to help you choose the right Home improvement wire.
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2020-03-29 17:36
- Views:
Circuit engineering is a very important step in the decoration process. The choice of wires is also related to the safety of power consumption in the later period. The following is a brief introduction to the common specifications and model-level purchase considerations of home improvement wires to help you choose the right Home improvement wire.
1. Specification of home improvement wire
The wire specification is usually expressed by the square. The square of the wire refers to the cross-sectional area of the copper wire. According to the different conductor structures, the wire is divided into a single conductor hard wire and a multi-stranded flexible wire. The number is the sum of the cross-sectional areas of all copper wires.
There are three commonly used specifications for home improvement wires: 1.5 square meters, 2.5 square meters, and 4 square meters. In addition, there are 6 square meters and 10 square meters of wires, which are mainly used as main lines for entering the household.
1.5 square lines: mainly used for lamp lighting and switch lines
2.5 square lines: mainly used for socket power supply and common common electrical appliances
4 square wire: It is important to use for high-power appliances such as the main circuit of the circuit and air conditioners. Due to the large number of kitchen appliances and the large power consumption, sometimes 4 square wires are also selected.
Second, home improvement wire model
There are two types of single conductor hard wire: WDZ-BYJ and BV, and multiple stranded flexible wires are available in WDZ-BYJ, BVR, and RV.
WDZ-BYJ: Low-smoke halogen-free cross-linked polyolefin wire (different hard wire and flexible wire according to different conductor results)
BV: PVC wire, a single core wire with only one copper wire, which is relatively hard
BVR: PVC wire, single core wire with many strands of copper wire twisted together, softer
RV: PVC wire, single-core wire twisted with more strands of copper wire, extremely soft
The letter B stands for wiring for wiring, the letter V stands for insulation material polyvinyl chloride, and the letter R stands for soft.
The single-conductor hard wire and the multi-stranded flexible wire are single-core wires, and there is also a multi-core wire, also called sheathed wire. It is fixed on the wall, and it has been used less now. There are two types of sheath cable: BVVB and RVV:
BVVB: Hard sheathed wire, two or three BV wires are sheathed together with a sheath
RVV: soft sheathed wire, two three or four RV wires are sheathed together with a sheath
Third, home improvement wire and wire purchase
Check the packaging and labeling: whether the information on the certificate is complete, with "CCC" certification and quality system certification.
Look at the manufacturing process: intercept a section of copper wire to see if its core is in the middle of the insulation layer.
Check the quality of the copper core: the high-quality copper core is purplish red, shiny, and soft to the touch; the inferior copper core is yellow, white or black.
Check the wire size: check whether the length of the wire and the cross-sectional area of the inner core are consistent with the label, to avoid shortcomings and falsehood.
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