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Electrical Wiring
Ask questions here about proper wiring and electrical installation here.
4,935 Questions
How many volts are in 10 amps?
This will depend upon the resistance of the load. You will have to use an Ohmmeter to do this. BE SURE POWER IS OFF when you do this, however. You'll smoke your meter!!.
Then you can use Ohm's Law and the formulas to solve this. However, the easiest way to find voltage is to simply use a voltmeter and measure the source voltage.
AnswerThere are no volts in amperes! They measure two different quantities. Your question is rather like asking, "How many kilometres are there in a kilogram"!
Need to know the voltage of the industrial application in question. Check your HP, that seems like quite a bit!
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See the answer to the Related Question shown below to get the formula to convert horsepower to KVA.
How many kilowatts a hour does a dam produce?
Most power plants produce several Megawatts of power. A Megawatt is one million watts.
How does electricity move around a parallel circuit?
By the flow of the electricity from a ammeter ( A )
Report illegal electricity from conedison at 104-28 106 st?
i would like to report the illegal usage of power from con ed at the current address 104-28 106 st Jamaica ny 11417 the power has been turn off by the city and the tenant turned them back on by breaking the meter.
How does a servo stabilizer work?
Servo voltage stabilizers save the life of costlier appliances, CNC machines, electrical equipment, medical equipment, motors lab equipment etc. through connecting AC voltage which is not stabilized, and dips at one point of time and at other point of time rises to very high value. The principle of operating Servo Stabilizer involves comparing the output voltage with built in stable reference voltage source. The solid state control circuit operates the motor whenever the output voltage falls or rises beyond the preset voltage.
Precisely engineered to perfection, our servo voltage stabilizer features a solid state circuit to control the servo motor. The motor is mechanically attached to the arm of a continuously variable auto transformer which feeds to the primary of a series control buck boost transformer. The stabilizer output voltage is compared with the reference voltage & resultant error signal controls the Servo Motor providing true proportional control systems rather than on/ off circuit
Which of these agencies regulates the interstate transfer and sale of electricity?
Federal Energy Regulatory Commission
It is because when a dielectric is placed between the charges , the dielectric gets polarized and the net electric field between the two charges decreases, hence force = charge x electric field also decreases. john
one transformer is sized for 57.7% of the three phase load, the other carries 57.7 % of the three phase load plus all of the single phase load.
find out the kva of your loads
then size your transformers
find the rated FLA of the transformers on the primary and secondary with Watt's law
add the individual currents with vectors to find the phase currents primary and secondary
then apply NEC 430.3(B)
Wire is sized to carry the load and be protected by OCPD
make sure the wire is protected via 240.21 (B) or (C) tap rules.
There are too many possible combinations of primary/secondary protection and tap rules to give a complete answer, your solution will vary based on distance between overcurrent devices and the transformers and also with your choices in regards to transformer KVA sizing. A simpler solution that is lighter, off the shelf, simpler to install and probably cheaper is to use a single three phase transformer with a 240 wye/delta connection. I think that would also gain you some noise isolation.
Where are ceramics used in a plumbing systems?
- Ceramics are used in the manufacture of knives. The blade of a ceramic knife will stay sharp for much longer than that of a steel knife, although it is more brittle and can be snapped by dropping it on a hard surface.
- Ceramics such as alumina and boron carbide have been used in ballistic armored vests to repel large-caliber rifle fire. Such plates are known commonly as small-arms protective inserts (SAPI). Similar material is used to protect cockpits of some military airplanes, because of the low weight of the material.
- Ceramic balls can be used to replace steel in ball bearings. Their higher hardness means that they are much less susceptible to wear and can offer more than triple lifetimes. They also deform less under load meaning they have less contact with the bearing retainer walls and can roll faster. In very high speed applications, heat from friction during rolling can cause problems for metal bearings; problems which are reduced by the use of ceramics. Ceramics are also more chemically resistant and can be used in wet environments where steel bearings would rust. The major drawback to using ceramics is a significantly higher cost. In many cases their electrically insulating properties may also be valuable in bearings.
- In the early 1980s, Toyota researched production of an adiabatic ceramic engine which can run at a temperature of over 6000 °F (3300 °C). Ceramic engines do not require a cooling system and hence allow a major weight reduction and therefore greater fuel efficiency. Fuel efficiency of the engine is also higher at high temperature, as shown by Carnot's theorem. In a conventional metallic engine, much of the energy released from the fuel must be dissipated as waste heat in order to prevent a meltdown of the metallic parts. Despite all of these desirable properties, such engines are not in production because the manufacturing of ceramic parts in the requisite precision and durability is difficult. Imperfection in the ceramic leads to cracks, which can lead to potentially dangerous equipment failure. Such engines are possible in laboratory settings, but mass-production is not feasible with current technology.
- Work is being done in developing ceramic parts for gas turbine engines. Currently, even blades made of advanced metal alloys used in the engines' hot section require cooling and careful limiting of operating temperatures. Turbine engines made with ceramics could operate more efficiently, giving aircraft greater range and payload for a set amount of fuel.
- Recently, there have been advances in ceramics which include bio-ceramics, such as dental implants and synthetic bones. Hydroxyapatite, the natural mineral component of bone, has been made synthetically from a number of biological and chemical sources and can be formed into ceramic materials. Orthopedic implants made from these materials bond readily to bone and other tissues in the body without rejection or inflammatory reactions. Because of this, they are of great interest for gene delivery and tissue engineering scaffolds. Most hydroxy apatite ceramics are very porous and lack mechanical strength and are used to coat metal orthopedic devices to aid in forming a bond to bone or as bone fillers. They are also used as fillers for orthopedic plastic screws to aid in reducing the inflammation and increase absorption of these plastic materials. Work is being done to make strong, fully dense nano crystalline hydroxapatite ceramic materials for orthopedic weight bearing devices, replacing foreign metal and plastic orthopedic materials with a synthetic, but naturally occurring, bone mineral. Ultimately these ceramic materials may be used as bone replacements or with the incorporation of protein collagens, synthetic bones.
- High-tech ceramic is used in watchmaking for producing watch cases. The material is valued by watchmakers for its light weight, scratch-resistance, durability and smooth touch. IWC is one of the brands that initiated the use of ceramic in watchmaking. The case of the IWC 2007 Top Gun edition of the Pilot's W
How do you prevent Frost behind breaker panel?
To prevent frost behind a breaker panel, ensure proper insulation is installed around the breaker panel to maintain consistent temperature levels. Additionally, seal any gaps or openings around the panel to prevent cold air from entering and causing condensation. Regularly check for any signs of moisture buildup and address any issues promptly.
Will food in the refrigerator be good if electricity is out for 9 hours?
Refrigerators are pretty well insulated so if you keep it closed and don't allow warm air into it the food should be fine.
How much Electricity is used by geyser?
It depends on the wattage of the unit. When that is found use the formula; Amps = Watts/Volts to find your answer.
A fused power strip is often used for?
sockets that attaches to the end of a flexible cable and allows multiple devices to be plugged in. As such it can be considered a type of trailing socket though that term is more often used for single and double cable mounted sockets. The term is also used to refer to the complete assembly with the power strip on one end and a plug on the other. Power strips are often used when many electrical devices are in proximity, especially with audio/video and computer systems.
Can you replace 240 volt service with 480 volt service?
240 volt service is residential, split single phase. 480 volt service is commercial/industrial, three phase. In theory, with the approval of your municipality and electric utility, you could replace split single phase with commercial three phase service. However, the equipment for the replacement (transformers, feeder wire) would likely not be provided by the electric utility and would have to be bought by you. This equipment cost usually makes any benefit of such equipment not cost effective. Not to mention the cost doesn't end there. Your building electrical system would have to be rebuilt as a three phase system. That is like apples and oranges. You wouldn't even be able to plug in a typical 120v load without connecting transformers to step down the voltage.
What is the classification of an electrical fire?
An electrical fire is a class 'C' fire. In addition, Class 'A' is combustibles that leave an ash. (Paper, etc.) Class 'B' is flammable liquids. Class 'C' is electrical. Class 'D' is a metal fire.
Which cost less to operate 120 v appliance or 220 v appliance?
For the most part, they cost about the same. For instance, if you look up a 120V, 2hp electric motor in a catalog, you will find it draws about 18A. 120V * 18A = 2160 watts. If you look up a 240V, 2hp motor, it will draw about 9A. 240V * 9A = 2160 watts. Watts are watts. Watts are what you pay for. It takes a certain amount of power to perform a particular task, irregardless of the voltage supply. You typically see larger loads, such as a dryer, range or AC unit fed from 240V. This is because the lower current draw permits you to run smaller wire, which is less expensive to install.
