How many strands of 1 5 square wire 1 5 square wire can be used how w

Look at the model number. The BV wire is just a copper wire.

The RV wire is theoretically a strand of 30 copper wires.

wire diànxiàn wire; flex;cable cord;Electric line wire refers to the wire that conducts electric current, the wire is composed of one or several soft wires, and the outer cover is covered with a light and soft sheath; A cable consists of one or several insulated wires wrapped around a tough outer layer made of metal or rubber. Cables and wires are generally composed of three components: core, insulating cover and protective sheath.

Generally, the products with a small number of cores, small product diameter and simple structure are called wires, those without insulation are called bare wires, and the others are called cables; The larger conductor cross-sectional area (more than 6 square millimeters) is called a large wire, the smaller one (less than or equal to 6 square millimeters) is called a small wire, and the insulated wire is also called a cloth wire This is relatively simple and easy to understand! Cables generally have more than 2 layers of insulation, most of them are multi-core structures, wound around the cable reel, and the length is generally greater than 100 meters. The wire is generally single-layer insulation, single core, 100 meters in a roll, and no disc.

Common types of cables: VV means: PVC insulation (the first V), PVC sheath (the second V) YJV22 means:

Cross-linked PVC insulation (YJ), PVC sheath (V), steel tape Kai (22) The model with "ZR" or "FR" is a flame retardant cable (wire). Add "L" for aluminum wire The type of wire is simpler: BVV - PVC insulated and sheathed copper core wire, BV - PVC insulated copper core wire, BYJ - copper core XLPE insulated polyolefin insulated wire, BVR - PVC insulated copper core flexible wire, BX - rubber insulated copper core wire, RHF - neoprene rubber sheathed copper core flexible wire.

The square in square refers to the cross-sectional area of the wire, which refers to the cross-sectional area of the wire in millimeters squared. Squared means that the cross-sectional area of the wire is millimeters squared, and the larger the cross-sectional area, the greater the power carried by the wire.

The single and multiple strands of a wire are independent of the cross-sectional area, and a single strand is defined as having only one conductor in an insulating layer. When the voltage exceeds 35kV, most of the single-strand cables are used, and the relationship between the core and the metal shield can be regarded as the relationship between the coil and the core in the primary winding of a transformer. When the core of a single-strand cable passes through the current, there will be a magnetic field line cross-chained aluminum clad or metal shield, so that the induced voltage appears at both ends of it; Multistranded refers to having only multiple conductors within an insulating layer.

Because of the skin effect of the current, the current carrying capacity of a cable with the same diameter is larger than that of a single core.

Square copper wire can withstand kilowatts.

The residential voltage in China is generally 220V:

The square millimeter has a line current of 10A (A), and the carrying power of the current is 10A 220V 2200 watts.

The square millimeter has a line current of 16A (A), and the carrying power of the current is 16A 220V 3520 watts.

4 square millimeters of line current 25A (A), carrying power current 25A 220V 5500 watts.

6 square millimeters of line current 32A (A), carrying power current 32A 220V 7064 watts.

Safe Ampacity:

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 mm, and the safe current carrying capacity of aluminum wire is 3 5a mm.

Key points》The safe ampacity of the general copper wire is 5 8a mm, and the safe current carrying capacity of the aluminum wire is 3 5a mm. Such as: the recommended value of the safe ampacities of mm bvv copper wires, and the recommended value of the safe ampacities of 4mm bvv copper wires 4 8A mm = 32A.

Square aluminum wires can withstand 3 kilowatts. Power refers to the amount of work done by an object per unit of time, i.e., power is a physical quantity that describes how fast or slow work is done. There are many variables in power, and the most important thing is to have a big premise when describing the power of the wire - it is used in a 220V circuit.

Under this premise, a square aluminum wire can withstand 3 kilowatts, and a square copper wire can withstand 5 kilowatts.

First of all, it is necessary to distinguish the material of the wire to determine the electric charge, and there are the following situations:

1. The safe ampacity of the copper wire through the square of the plastic pipe is 12A, according to the formula: the electric power is equal to the voltage multiplied by the current P=UI is 2640 watts, so the square copper wire can be less than 2640 watts of electrical appliances.

2. The concealed steel pipe is 16A, and the power is 3520 watts.

3. The PVC pipe is concealed, the current is 14A, and the power is 3000 watts.

Square line with 3kw.

Red is used as the live wire, blue is used as the neutral wire, and the yellow and green colors are used as the ground wire. We calculate the maximum safe current, which is listed below.

1. Flat copper wire allows long-term current carrying: 6A-8A

Flat copper wire allows long-term current carrying: 8A-15A

Flat copper wire allows long-term current carrying: 16A-25A

4. Flat copper wire allows long-term current carrying: 25A-32A

6. Flat copper wire allows long-term current carrying: 32A-40A

10 flat copper wire allows long-term current carrying: 60A-70A

The corresponding ampacities above are.

It is a reference value for home improvement, and the longer the wire, the lower the current-carrying capacity. In addition, the temperature, laying method, installation environment, etc. will also affect the value of the current carrying value.

Electricity is a natural phenomenon that refers to a physical phenomenon created by a stationary or moving electric charge, which is a property of the repulsive force and attraction that arises between subatomic particles like electrons and protons.

Lightning in nature is an electrical phenomenon. Electromagnetic force.

It is one of the four basic interactions in nature. There are two phenomena of electron motion: Atoms that lack electrons are called positively charged.

Atoms with extra electrons are said to have a negative charge.

Electricity has developed the modern power industry and electronic technology. In real life, the mechanism of electricity gives a lot of well-known effects, such as lightning, triboelectric induction.

Electrostatic induction, electromagnetic induction, etc. People use it to make electric lights glow, drive machinery to turn, etc.

Long before there was any specific knowledge of electricity, it was known that electric fish deliver electric shocks. Ancient Egypt written as early as 4750 years ago.

Books record that these fish are called the "Nile."

is the protector of all other fish.

About 2,500 years later, the Greeks, the Romans, the Arabs.

It was only then that natural scholars and Arab physicians began to write about the power generation of fish.

The wire square means, the area of the cross-section of the wire is millimeters squared.

The so-called 1 square mm wire refers to a single strand (BV) wire with a core cross-sectional area of 1 mm, which is calculated based on the relationship between pi and diameter.

National standard wire: It is a wire that is produced in full accordance with the national standard. The general household and common wires are the national standard specifications and performance, and the national standard has specific provisions on the appearance of the wire, mechanical strength, sheath insulation, wire resistance, high and low temperature impact, etc.

Generally, wire specifications are squared according to the cross-section.

The wire square is the cross-sectional area of the guide body.

The general specifications are: 1, 1, 5, 2, 5, 4, 6, 10, 16, 25, 35, 50, 70, 95, 120, 150, 185, etc.

The cross-sectional area of the wire is equal to the square of the radius multiplied by the wire. The unit is: square millimeter.

The radius of the wire is calculated using the formula of finding the area of the circle and the number of squares of the wire is only calendar (square millimeters) Pi (the square of the radius of the wire (millimeters).

Summary. Hello, the square wire diameter is:.

Calculation: square millimeter wire diameter (

The formula is as follows: the cross-section is divided by pi (then squared, then multiplied by 2, which is the diameter. So the square conductor calculates: (.

How thick is the square wire?

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Hello, the square wire straight line is suspicious of the behavior is:. Calculation method: square millimeter wire diameter (calculation formula: cross-section divided by pi (re-open and Zheng square, multiply by 2, is the diameter.) The chant is calculated in square conductors: (.

Choose a square wire specification, if it is a copper core wire, in the environment where the open wire is laid, its maximum working current can reach 20 amps, and then through the power calculation formula, multiplied by the voltage is 220 volts, the power can be obtained is 4400 watts.

If you choose the method of concealed paving, the current will be reduced, about 16 A. Through the power calculation, the maximum power can be obtained by substituting the data, which is 3520 watts. If it is through the PVC pipe, the current may only be 14 amps, and the power is only about 3000 watts.

Different wire specifications, the amount of power that can be withstanded.

1. In addition to the specification of the wire, there is 1 square, under normal circumstances, 1 square millimeter wire, the rated current that can be safely passed through is 4 5 amps, in the 220 volt single-phase circuit, every 1000 watts of power, its current is about ampere. If it is a three-phase circuit, the voltage is 380 volts, and the current flow is about 2 amps.

2. If you choose a square wire, choose a copper core wire according to the national standard, its safe current carrying capacity is 16 25 A, and the power that can be brought is about 5500 watts. If you choose an aluminium core wire, the safe current carrying capacity is between 13 and 20 amps, and the power that can be withstood is 4400 watts.

The wire square is the cross-sectional area of the guide body.

The general specifications are: 1, 1, 5, 2, 5, 4, 6, 10, 16, 25, 35, 50, 70, 95, 120, 150, 185, etc.

The cross-sectional area of the wire is equal to the square of the radius multiplied by the wire. The units are: square millimeters to calculate the radius of the wire is calculated using the formula for finding the area of a circle: the number of squares of the wire (square millimeters) and the pi (the square of the radius of the wire (millimeters).

Nowadays, most of the wires are composed of the outer insulator and the inner copper core wire, a few square millimeters of wire means that the diameter of the copper core wire inside, for example, the square wire, the diameter of the copper core wire is millimeters.

Hello, this is to tell you how much square the cross-sectional area of this line is, and also prompts you how much current this line allows to pass, how many watts of electrical appliances can be carried, for example, square wire, it is allowed to pass through the current, 27a, then it can load a kilowatt of electrical appliances, you have to choose how many square lines according to the wattage of electrical appliances in your home, that is, the power, it is mainly an indicative unit, explain the specifications of the line, it does not represent the diameter of the line, but the area of the line section, This area determines the current that passes through it