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Electrical Wiring
Ask questions here about proper wiring and electrical installation here.
4,935 Questions
It is recommended to have a ground wire for safety reasons. However, if your electrical system is properly grounded and up to code, you may be able to use the existing setup. It's best to consult a licensed electrician to ensure proper installation and safety.
What size fuse is needed for a 3kw heater?
A 13 Amp fuse (brown) is needed for a 3kw heater. <<>> Answer for USA, Canada and countries running a 60 Hz power supply service. 3000 watts at 120 volts = 25 amps, 3000 watts at 240 volts = 12.5 amps.
How many volts are required to push 3 amps through a resistance of 4 ohms?
Just use Ohm's Law: V=IR (voltage = current x resistance; using units: volts = amperes x ohms).
How well does phosphor bronze conduct electricity?
Phosphor bronze is a good conductor of electricity, although not as efficient as pure copper. Its conductivity is influenced by the alloy composition and can vary. Overall, phosphor bronze is commonly used in electrical components and connections due to its good conductivity and corrosion resistance.
How do you connect 2 hot wires and a neutral to a GFCI?
As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
What is meant by Phase Shifting?
Phase shifting basically means moving the reference from where the wave starts along x axis. For example, sine wave and cosine wave are basically similar, but have different starting points along x axis. Therefore, it's clear that shifting a sine wave by 90 degree towards negative infinity will give cosine wave.
Why do i have black marks on wall above gas fire?
Black marks above a gas fire could be due to soot buildup from incomplete combustion. Ensure that the gas fireplace is properly ventilated and that the burner and logs are clean. It's also important to have the fireplace inspected regularly by a professional to prevent any potential fire hazards.
Creating electricity by exerting force on a crystal is called?
piezoelectricity - the principle by which certain crystals become electrically charged when pressure is applied.
What is the mains voltage barbados?
In Barbados, the mains voltage is typically 115-120 volts with a frequency of 50 Hz. It is always recommended to verify this information with the local utility provider or check the voltage indicated on electrical outlets in the specific location you are in.
Is electricity a physical change or a chemical change?
Electricity is not a physical or chemical change itself, but rather a form of energy that can result from both physical and chemical processes. When electrons flow through a conductor, it is a physical change, as the electrons are simply moving from one place to another. However, in some cases, electricity can also be produced through chemical reactions, such as in batteries, in which case it involves a chemical change.
Is there a photovoltaic cell that runs on gamma rays?
While photovoltaic cells are typically designed to capture and convert visible light into electricity, there is ongoing research into developing cells capable of converting gamma rays into electricity. However, this technology is still in the early stages of development and has not yet been widely implemented for practical use.
Is baking soda a good electrical conductor?
No, baking soda is a poor electrical conductor. It is a non-metallic compound and does not have free-moving electrons that can carry an electric current.
What happens if you move a switch and the circuit wires are not all connected?
When a switch is open (wires not connected) it is considered off. When a switch is closed it is considered on. If you move a switch and the wires are not connected the the circuit is open and current cannot run throughout the circuit to power the device.
It meas that the bulb uses 25 watts of electric power to run.
Different types of bulb produce different amounts of light, with incandescent bulbs producing the least. A bigger proportion of the energy supplied to the compact fluorescent bulb is transferred to light and less wasted to the surroundings as heating.
How does a single pole switch differ from a three way?
A proper "3-way switch" would be capable of being switched to 3 different positions and could have one, two or more poles. Each pole could be either single- or double-throw.
"How does a single pole switch differ from a three way?" is a trick question often asked to catch-out new trainee electricians because the common but mis-named "three-way switch" is actually a single pole, double throw switch, i.e. it is only a 2-way switch, not a 3-way switch.
A pair of "3-terminal, single pole, double throw" switches are often used to hook-up two separate light switches to control one light or one set of lights.
The same answer put in a different way
Despite the fact that the name "3-way switch" is often used to describe it, if it is of the type that has just one pole that can only be physically switched 2 ways, the name "3-way switch" is quite wrong for that particular switch. A "3-terminal, single pole, double throw" switch" is a more accurate description for it.
How Convert 230 volt to 460 volt?
To convert single phase 230 to 460 volt, you would need a transformer that is rated at 460v and 230v respectively. It can be a step down or step up transformer. For 3 phase, you would need a 3 phase transformer.
If D batteries and AA batteries are both 1.5 volts why are D batteries stronger than AA batteries?
D batteries are larger than AA batteries, which means they contain more energy and a larger capacity to deliver power over a longer period of time. This results in D batteries being considered stronger than AA batteries, even though they have the same voltage.
Can you wire a stove using a neutral from a lighting circuit?
for USA, Canada and other countries running a 60 Hz supply service.
No. On an existing installation, when replacing an appliance, you can continue to use the existing three wire circuit to feed the new stove or dryer.
Another answer
No way can the neutral from a lighting circuit be used for a stove!
Lighting circuits must only be used for lighting. Check your national electrical code and/or wiring regulations.
For more information see the answers to the Related Questions shown below.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
How do you calculate the phase current when working with a 10kw 3 phase electrical motor?
To calculate the phase current of a 10kW 3-phase motor, you can divide the total power (10kW) by the square root of 3 (approx. 1.732) and then divide that result by the line-to-line voltage. The formula is: Phase Current (Amps) = Power (W) / (√3 x Line-to-Line Voltage (V)).
What are the three methods of energy transfer?
The three main methods of energy transfer are conduction, convection, and radiation. Conduction is the transfer of heat through direct contact of particles, convection involves the movement of fluids to transfer heat, and radiation is the transfer of energy through electromagnetic waves.
Do you have a circuit breaker which operates for one millon volts?
Circuit breakers are typically designed for lower voltages, such as up to 1000 volts. For extremely high voltages like one million volts, special high-voltage circuit breakers or other protection devices would be used in power systems. These specialized devices are designed to handle the unique challenges posed by very high voltage levels.
An electrical charge in motion called?
An electrical charge in motion is called an electric current. It is the flow of electric charge through a conductor, such as a wire, due to the movement of electrons. Electric currents are essential for powering electrical devices and circuits.
What is the output of 305 KW at 240 volts switched to 480 volts?
If the power output remains constant at 305 kW, doubling the voltage from 240V to 480V will halve the current drawn by the system. This change in voltage will not change the power output; it will remain at 305 kW.
