Mention of power cords, we must not feel strange, but in fact it can be further detailed classification, and classification is based on different, for example, according to the price of power cords on the market can be divided into many grades, different grades corresponds to the effect of the quality of the security of the difference, and according to the use or size specifications can be detailed and meticulous division, for example, today Xiaobian is an example of the more representative power cord specifications on the market. I give you an example of the market is more representative of the specifications of the power cord model introduction, furthermore, there are manufacturers and other acquisition information for learning to understand, which not only can help us with the actual consumption and purchase, but also believe that we can also help harvest satisfactory results.
A, what are the specifications of the power cord
1)? Category: H - municipal communications cable
HP - wiring cable
HJ - local cable
(2) insulation: Y -- solid polyolefin insulation
YF -- foam polyolefin insulation
YP -- foam/solid skin polyolefin insulation
(3 ) Inner Sheath: A - Plastic coated aluminum tape bonded shielded polyethylene sheath
S - Aluminum, steel double metal tape shielded polyethylene sheath
V - Polyvinyl chloride sheath
(4) Characteristics: T - petroleum paste filling
G - high-frequency isolation
C - self-supporting
(5) Sheath: 23 - double-layer anticorrosive steel tape wrapped around the pin-mounted polyethylene cover layer
33 - single-layer fine steel wire armored polyethylene cover layer
43- Single-layer thick steel wire armored polyethylene cover
53 - Single-layer wrinkled longitudinal wrapped armored polyethylene cover
553 - Double-layer wrinkled longitudinal wrapped armored polyethylene cover
533 - Double-layer wrinkled longitudinal wrapped armored polyethylene cover
534 - Double-layer wrinkled longitudinal wrapped armored polyethylene cover
2)?BV?Copper-core PVC-insulated wire;
BLV?Aluminum-core PVC-insulated wire;
BVV?Copper-core PVC-insulated PVC-sheathed wire;
BLVV?Aluminum-core PVC-insulated PVC-sheathed wire;
BVR?Copper-core PVC-sheathed wire;
BVR? RV?Copper core PVC insulated installation flexible wire;
RVB?Copper core PVC insulated flat connecting wire flexible wire;
BVS?Copper core PVC insulated stranded flexible wire;
RVV?Copper core PVC insulated PVC sheathed flexible wire;
BYR?Polyethylene insulated flexible wire;
BYVR? insulated polyvinyl chloride sheathed flexible wire;
RY?Polyethylene insulated flexible wire;
RYV?Polyethylene insulated polyvinyl chloride sheathed flexible wire
Home furnishings in the use of wire is generally a single strand of copper wire, its cross-sectional area of the main three specifications, respectively, are 4.0mm2,,, 2.5mm2 and 1.5mm2. In addition, there is a specification of 6.0mm2, mainly used for the main trunk line into the home, the main line of the house, the main line is used in the house, the main line is used for the house of the house of the house of the house of the house. Mainly used for the main trunk line into the home, home improvement is almost not used or the amount is very small, generally not included in the scope of the home improvement circuit line.
4.0mm2 specifications for single-stranded copper wire for the main circuit and air conditioning, electric water heaters and other special lines, 2.5mm2 specifications for single-stranded copper socket line and part of the branch line, 1.5mm2 specifications for single-stranded copper wire used for lamps and switches, the circuit of the ground line is generally also used in 1.5mm2 specifications for single-stranded copper wire.
Family power line is better to use BVV2 * 2.5 and BVV2 * 1.5 models of wire. Because BVV is the national standard code for copper sheathed wire BVV2 * 2.5 and BVV2 * 1.5, they represent 2 core 2.5 mm2 and 2 core 1.5 mm2 respectively. In general, BVV2*2.5 is used as the main line and trunk line, while BVV2*1.5 is used as the branch line and switch line for individual appliances. Unidirectional air conditioning line with BVV2 * 4, and another special ground line.
In order to fire prevention, maintenance and safety, home furnishing wire specifications are better to use with the Great Wall logo of the "national standard" copper-core wire, wire groove loaded area is generally: home furnishing wire specifications for lighting wire selection is 1.5 square millimeters, while the socket line selection of 2.5 square millimeters, pay attention to air-conditioning line shall not be less than 2.5 square millimeters. Square millimeters, the home connected to the negative line (zero line / ground) is better to use green and yellow two-color line, while the switch line (fire) with red, white, black, purple and so on any one.
Two, power cord manufacturer examples
1, Dongguan City, Chinda Wire Co., Ltd. is a professional production, sales of special wires and cables, the company's leadership for more than 20 years has been focusing on wire and cable manufacturing and sales of high-temperature wires, silicone wires, irradiated wires, PVC wires, coaxial wires and harnesses processing for the home appliance industry, medical equipment, lamps and lanterns, and the production and distribution of wires and cables. Home appliance industry, medical equipment, lamps and lanterns industry and communications and other fields to provide the safest wire and cable.
The company has been committed to building China's safety wire and cable, has passed the ISO9001: 2008 international quality system certification, and all cables have UL, CUL, VDE, CQC and other international safety certification and SGS, ROHS and other environmental protection certification.
2. Yuyao Senhao Cable Co., Ltd. is a professional manufacturer of standard wires and plugs for various countries in the world. The company is located in the northwestern part of Yuyao City, Zhejiang Province, 120 kilometers from Hangzhou in the west, 80 kilometers from Ningbo in the east, Hangzhou Bay in the north, and 329 National Highway in the south. The transportation is convenient, 320 kilometers from Shanghai port and 130 kilometers from Ningbo port.
Relying on advanced production equipment, independent quality management and testing department, the company has a complete range of products. The company is also able to develop and research safe and reliable products according to customers' requirements.
The above small example for you is about the power cord more aspects of the purchase of advice and information, not only the decision of the manufacturer, furthermore, there are about the specifications and other aspects of the analysis, which can be learned, a qualified power cord behind the technical scale must have mature enterprises as a support. In addition, a variety of specifications and models undoubtedly also provides us with a series of perfect service and choice of program, I think consumers if they want to do their best to harvest as much as possible with a lower price to the ideal program, then the best way is to refer to the above mentioned comparison of three, to formulate a reasonable choice of purchases, and, if necessary, may be able to achieve satisfactory results.