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Wires are an indispensable part of home decoration, but what kind of wires should we choose when decorating to be safer and better to use? This is a question that many owners will ask, because the quality of the wire directly affects the future life. Recently, many friends are asking, is it better to choose a single strand or a double strand for wires?
For this reason, I specially consulted an old electrician with many years of experience and listened to what the electrician master said.
First, the type of wire.
The two most important types of wires in home improvement wires are BV and BVR wires, and the current use of BV wires in home improvement is more than BVR wires.
In terms of hardness and softness, the hardness of the BV line is greater than that of the BVR line, and the inner core is 99 99 oxygen-free copper.
BV: Commonly known as hard wire. It is mainly used for power supply, lighting, sockets, air conditioners, cables and wires for power devices with AC voltage of 450 750V and below, daily electrical appliances, instruments and telecommunication equipment.
Advantages: long service life, due to the small ratio of the cross-sectional area of the outer circle, it is not easy to oxidize, and it is resistant to short-circuit current impact. Generally, it is mostly used in shielding engineering; In some places with strict requirements, such as the secondary lead wire of the current transformer, the specification clearly indicates that the use of BVR line is prohibited.
Disadvantages: the wire is hard, it is difficult to straighten after bending, it is easy to be injured when bending repeatedly and straightening, and it is laborious to set the small tube. It is mostly used in fixed and buried environments.
BVR: commonly known as flexible wire, suitable for cables and wires used in power devices, daily electrical appliances, instruments and telecommunication equipment with AC voltage of 450 750V and below, such as distribution boxes.
Advantages: Because the line is soft, it is mostly used in active power places and temporary power places, and it is easy to install, drag and drop, and move.
Disadvantages: short service life, due to the large ratio of the cross-sectional area of the outer circle, the oxidation rate is fast, if the impact of short-circuit current, after high temperature, the surface is seriously oxidized, the effective cross-section is greatly reduced, and it is easy to have problems such as core breakage and local heating.
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Sewing the futon does not need to be very strong, you can use a single strand of thread, not a double strand.
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Hello, the car cushion is normally made of a single thread, and the single thread is only knotted on one thread, so that when it passes through the cloth, only one thread is left, and the sealed thread is.
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The twist of the sewing thread is larger, and the fiber used to make the sewing thread requires better quality and higher strength.
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The 3 strands are about millimeters thick.
The 4 strands are about millimeters thick.
6 strands are about millimeters thick.
The 9 strands are about millimeters thick.
The 12 strands are about 1 mm thick.
15 strands are about millimeters thick.
The 14ct is the cross-stitch of the small cell, and the small cell is embroidered with 2 strands of thread. 2 strands of thread is to separate two embroidery threads and pass them through the eye of the needle, so that you can do it. A large embroidery thread can be used in three parts in a small grid, and two parts in a medium grid.
Generally, the cross-stitch of the grid will be selected between 3 strands and 4 strands, according to the different embroidery products, most of the drawings will indicate whether to use 3 strands or 4 strands, and the 4 strands will be embroidered more tightly and thicker, but the specific fit for which one depends on the needs of the drawings and the drawings.
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What line? Sew something?
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The decoration foreman explained the difference between single strand and multi-strand wires, as well as the advantages and disadvantages.
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Answer: multi-strand wire (BVR wire) is also called soft wire, the advantage is that it is easier to wear the tube, the corner is not afraid, the conductor current carrying capacity is also large, the disadvantage is that the wiring is prone to oxidation, local overheating, and it is not easy to wire, ** is also more expensive than a single strand wire.
Single-strand wire (BV wire) is also called hard wire, which has the advantages of strong oxidation resistance, short circuit resistance, current impact resistance, and long service life. The disadvantage is that it is not easy to wear the tube, and due to the skin effect, the current carrying capacity is not as good as that of multi-strands, but it is relatively cheap and cost-effective.
Therefore, according to the characteristics of the two, we can use the two kinds of wires in the home decoration, in the main line wiring we can use a single strand wire, that is, the subject said the single core wire, and we can use the multi-strand wire that needs to turn many times, which is why the home improvement wire will be designed with two different wires.
Ask what kind of wire is good for the charging pile, and the charging is fast.
Domestic, 220's.
Answer: 3*4 square for installing charging piles for 16A, 3*6 for 32A, 4*16+1*10mm for AC 40kW or DC 30kW cables.
Don't use jargon when asking questions, I don't understand.
Ask whether it is better to use a single strand or a multi-wire, regardless of whether it is good to withdraw or not, just which conducts electricity quickly.
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Which is better, single strand or multi-stranded wire? Don't finish the decoration and don't know how to choose the wire! Fitment; Huizhou decoration; renovation companies; Villa; villa decoration; Type; small apartment; interior design; decoration style; Decoration renderings; Toilet; Balcony; Living room; Bedchamber; Kitchen; New Chinese Style; Modern minimalism; Light luxury style.
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Single-strand is good! The time of single-strand oxidation is slower! The conductivity of a single strand is also better than that of multiple strands, and the disadvantage is that it is not easy to install when installing! There are also many strands on the market that lose squares
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Of course, with a single line, now there are many more household appliances, of course you have to use a larger one....
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You go to the Internet to check, go to ** say that there will be a lot to talk about, what Ninon line or something you go to the Internet to check, go to ** talk about it will have a lot to talk about, what Ninon line even want to completely change may be difficult, but can be improved a lot, it is recommended that you make a plan, do not procrastinate, a delay may be forgotten, and improve the organization, such as things are placed according to the category to separate, there are levels, do a good job of classification, so that you will not often find things. My family is also lost, in fact, there are two points to put it simply, the first is not to procrastinate, and the second is to classify items, which will improve a lot. Sometimes people who are too lazy will lose their feet if they procrastinate, so it is much better to be diligent. Damn.
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This one is very common when sewing clothes. The best way is to use a single thread, and increase the density, which can also achieve the effect of tight seams.
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The single-thread stitch method involves tying a knot at the end of only one thread. The other end is not knotted. Make the unknotted thread a little shorter so that you sew it the same as the double thread. The unknotted thread is short, so don't let it stay inside the seam.
When sewing, pinch the pinhole with your hand so that the thread will not move. In case the thread is pulled out of the pinhole, it must be rethreaded. If you want to sew neatly, you must be quite skilled in stitching; There is also the technique of tailoring, because the flatness of the edge of the fabric also has an impact on the flatness of the sewing.
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In fact, double seams and single seams are exactly the same
Isn't it necessary to tie a knot when honey is sewn with double threads?
Otherwise, if you pass through the cloth, it will be white
The double thread seam should be knotted with 2 thread ends, and the two threads should be fixed together Single thread is only knotted on one thread.
In this way, when it passes through the cloth, only one thread is left behind, and the sealed thread looks thinner than when there are two threads
For some non-woven works.
The stitched style does not show the traces of the thread, and it will look better, so it is recommended to use as thin thread as possible
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22ct uses 1 strand, 14ct usually uses 2 3 strands, 11ct usually uses 3 4 strands, and 9ct usually uses 5 6 strands. Hook lines are used, but there are exceptions.
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Single-strand or double-strand are OK, and double-strand ones are more wear-resistant. The upper is my own embroidered insole (Fortune Rose insole), which can be referred to.
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In fact, the current home improvement industry uses a single copper wire and a single core. Because considering the actual situation, a single strand is generally used, unless there is a certain requirement for the use of multi-strands in terms of design, because the ** of multi-strand is slightly higher than that of a single strand. It is more convenient to use a single strand of copper wire ** joint and equipment wiring.