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Normally, 1 square wire can pass 16 amps. 10 square meters is about 160a.
The ampacity of PVC insulated wire (n=70) unit: a cross-section. mm2) Aluminum core (BLV type) Copper core (BV, BVR type) Copper density: aluminum.
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Generally, the safe ampacity of copper conductor is determined according to the allowable maximum temperature of the core, cooling conditions and laying conditions. Generally, the safe current carrying capacity of copper wire is 5 8a mm2, and the safe current carrying capacity of aluminum wire is 3 5a mm2. 《Key Points》 Generally, the safe ampacity of copper wire is 5 8A mm2, and the safe current carrying capacity of aluminum wire is 3 5A mm2.
Thirty-five times 3.5, double in a group minus five.
The conditions have been changed and converted, and the high-temperature nine-fold copper has been upgraded.
The number of pipe roots is two, three, four, eight, seven and six folds full of load current.
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10 square copper wires are 7 amperes per square and aluminum wires are 5 amps per square meter.
As the square increases, the average current per square decreases. If you go to a line of 100 square meters, the average square is only amps.
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Long-term use is best around 30A. If it is a bare cable, it can be a little higher 40-50A.
Copper density:; Aluminium.
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Can 1 square wire pass 16 amps?
First time I heard it.
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The general copper wire safety calculation method is:
1 square millimeter 10a
16a square millimeter
The safe ampacity of the square millimeter copper power cord is 28A.
The safe ampacity of the 4 square mm copper power cord is 35A.
The safe ampacity of the 6 square mm copper power cord is 48A.
The safe ampacities of the 10 square mm copper power cord are 65A.
The safe ampacity of the 16 square mm copper power cord is 91A.
The safe current carrying capacity of the 25 square mm copper power cord is 120A.
If it is an aluminum wire, the wire diameter should be times that of the copper wire.
If the copper wire current is less than 28A, it is definitely safe to take 10A per square millimeter.
If the copper wire current is greater than 120A, it will be taken as 5A per square millimeter.
The current that can pass through the cross-sectional area of the wire can be selected according to the total amount of current that needs to be conducted, and can generally be determined according to the following smooth slip:
Ten under five, one hundred on two, two five three, five five, five five, five five and a half times, copper wire upgrades.
Let me explain to you, it is an aluminum wire of less than 10 square meters, multiply the number of square millimeters by 5, if it is a copper wire, it will be upgraded by a gear, such as a square copper wire, it will be calculated according to 4 square meters. More than 100 are multiplied by 2 for the cross-sectional area, multiplied by 4 for those below 25 squares, multiplied by 3 for more than 35 squares, and multiplied by 95 squares.
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Do the math how much it will cost you to renovate your home
Every household is inseparable from electricity, and the circuit as a hidden project, special attention should be paid to the purchase of wires. So how much current can a 10 square wire carry?
1. How much current is 10 square wires.
One square wire can withstand 7A current, which means that 10 square wires can withstand 70A current. However, the charge that can be carried by the wire also needs to be analyzed according to the actual situation of the user, for example, the difference in material and model has a relatively critical role in the charge information that can be carried.
Second, how much load can the wire carry.
Household electricity is generally single-phase electricity, and its maximum power (PM) is: take as an example.
PM = voltage U current i = 220V 22A = 4840W
The safety factor is, and the allowable power (p) is: p=pm
The copper pin line can withstand the load of 3723W, the safe current carrying capacity is 22A, and the 220V can withstand the power of 3723W, so it is no problem to withstand the power of 2000W for 24 hours.
3. How to choose wires.
1. Look at the packaging: see whether the outer packaging of the wire is good, and whether the trademark, factory name, factory address, specifications, inspector and so on are clearly indicated on the certificate. Try to choose large fiber to make the manufacturer's brand, and the quality is more reliable and guaranteed.
2. Compare the wire core: open the package to see how the wire core in the wire is, and then pull the wire skin hard, the high-quality wire skin is not easy to tear.
3. Fire test: If the insulating surface is extinguished within 5 seconds after igniting, it proves that the product has a certain flame retardant function and meets the national standard.
4. Look at the inner core: Observe the material of the inner core of the wire, if the brighter and softer it is, the better the copper quality of the product. The national standard requires that the inner core must be made of pure copper.
Conclusion of the article: The relevant knowledge about the calculation of wires and the purchase of wires is introduced to you here, I hope it will be helpful to you. If you want to know more about it, please continue to pay attention to Qeeka Home information platform.
Enter the area and get the decoration for free**].
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The current of 1mm2 copper wire is 13A, while 10mm2 does not reach 130 but only 55A, and 95mm2 is only 240A. In practice, 10mm2 copper wire is not able to pass 55A current under all circumstances (overhead, buried, and the number of strands will also be affected).
For example, when we use 380V for power supply, if the allowable voltage drop is 10%, the maximum length of the wire shall not exceed 406m, otherwise the current must be reduced or the cross-sectional area will be increased. This is also the reason why there are many street lamps with a buried cable current of only twenty or thirty amperes, but more than 25mm2 cables are used. The current cannot be determined only based on the cross-sectional area, but the ultimate goal is to ensure the normal operation of the load.
Common sense of safe use of electricity
Do not allow children to play with dangerous objects such as switches, wires, engines, etc., and stop them strictly when they see them, and tell them about the dangers, and do not climb poles, transformers, or swing poles, in short, try to keep them away from all live objects.
There is a reasonable and safe use of electric energy, in order to ensure that people live safely and comfortably, if you want to dig the ground, you must first get in touch with the local power supply department and relevant departments, see clearly the mark indicating the location of the underground cable, and then take reliable measures to prevent accidental injury to the cable, causing accidents, power outages and other accidents.
For the safety of everyone's life, safe electricity is the top priority. It is not allowed to fly a kite around the wire, if the kite wire is hung on the wire, you should find an electrician to deal with it in time, and do not pull it yourself, so as not to touch the wires with each other, causing electric shock or power outage. Do not bird near the power line to prevent it from being damaged or broken.
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Summary. However, different manufacturers of wires are different, and there will be a certain deviation in weight. If you need to mail out the wire, you can choose large object express, do not choose small object express, if you choose small object quickly, then the express cost is expensive, the express cost of large objects is relatively cheap, and if you are willing to cooperate with the courier company for a long time, there will be some additional discounts, as for the specific **, this depends on the city you mail to decide, different cities are not the same charging standards.
Hello, dear, 10 square copper core wire has about 8-10 buses. The calculation of the weight of copper wire is to multiply the volume by the density, 10 square that is, 10 cubic centimeters are missing, the density of copper is generally grams per cubic centimeter, according to the formula can be calculated 10 square copper wire one meter of weight of the large limb is 89 grams, then 100 meters of 10 square copper wire weight is 8900 grams.
However, different manufacturers of wires are different, and there will be a certain deviation in weight. If you need to mail out the wire, you can choose large object express, do not choose small object express, if you choose small object quickly, then the express cost can be expensive, the express fee for large objects is relatively cheap, and if you are willing to cooperate with the courier company for a long time, there will be some additional discounts, as for the specific **, this depends on the city you mail to decide, different cities are not the same charging standards.
However, different manufacturers of wires are different, and there will be a certain deviation in weight. If you need to mail out the wire, you can choose large object express, do not choose small object express, if you choose small object quickly, then the express cost can be expensive, the express fee for large objects is relatively cheap, and if you are willing to cooperate with the courier company for a long time, there will be some additional discounts, as for the specific **, this depends on the city you mail to decide, different cities are not the same charging standards.
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It depends on whether the open line is laid or the dark line is laid10 square copper core wire, the maximum current can withstand 68A, if the open wire is laid, the maximum current should be controlled within 60A;Due to the poor heat dissipation of the dark wire, the maximum current should be controlled within 40A.
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The current carrying capacity of a 10 square millimeter copper wire is 65 amps.
The safe ampacities of the 10 square mm copper power cord are 65A.
Safe ampacities of 17A for 1 square millimeter copper power cord.
The safe ampacities of the square millimeter copper power cord are 21A.
The safe ampacity of the square millimeter copper power cord is 28A.
The safe ampacity of the 4 square mm copper power cord is 35A.
The safe ampacity of the 6 square mm copper power cord is 48A.
The safe ampacities of the 10 square mm copper power cord are 65A.
The safe ampacity of the 16 square mm copper power cord is 91A.
The safe current carrying capacity of the 25 square mm copper power cord is 120A.
The single-phase load is calculated per kilowatt and then the conductor is selected.
The standard for the safe use of 10 square copper wires at home is: if it is concealed, take 5a square. Surface-mounted 7A squared.
Then the 10 square copper wire surface current is 70A, and the power can be carried at 220V voltage: 15KW;
It is only 11kw when it is concealed, which is due to the fact that the line is laid in the wall, which affects the heat dissipation of the line.
The rough calculation method in the project is 5 times the number of squares, but the finer the higher it is allowed, remember the question of the electrician that year, the maximum allowable current of different cables is: 4 square millimeters 36a, 6 square millimeters 46a, 10 square millimeters 64a, 16 square millimeters 85a, 25 square millimeters 113a, 35 square millimeters 138a, 50 square millimeters 173a, 70 square millimeters 215a.
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<> formula is p 3uicos;
In the calculation formula of power p 3uicos, u is the working voltage, here is 380v, i is the working current, which is the safe ampacity of the 10 square copper wire we calculated above, cos is the power factor, we choose according to the power factor of most electrical appliances here, that is, we choose;
When the current is 45A, the power of the receiver at 380V voltage of 10 square copper wire is P 3UICOS; When the current is 64A, the power of the power of the receiver at 380V voltage of 10 square copper wire is P 3UICOS.
If calculated according to the square pool of 20 meters multiplied by 30 meters, it is about 500,000 yuan for simple and ordinary people, and more than 1 million for good normal effects, and if it is a municipal project, it is recommended to invest about 2 million yuan for the pursuit of atmosphere and patterns.
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