Home Electricity

Can a 240V lightbulb 25W work in a 120V socket and would it just be dimmer?

== == == == Assuming this inquiry is a request for information rather than related to a practical application, here is the answer: It will work but you probably won't like the results. You are not going to get the amount of light you should or probably want. I would hook up the proper size light, or the proper juice for the light. A 240 Volt rated tungsten filament lamp will glow dimly if 120 Volts are applied.

The resistance of the filament will limit the current to a level below that which will raise the filament temperature to high enough a level to glow fully bright.

The same thing would hold true if one applied 60 Volts to a 120 Volt lamp.

If you are contemplating installing a 240 Volt European fixture in the U.S. [the idea that may have motivated the question], there are manufacturers who make a 120 Volt lamp with a base for the 240 Volt fixture sockets. Yes, a 240 Volt incandescent lamp will work in a 120 Volt application, but you won't get half the light. You'll get a lot less than half, even though the applied voltage is half the rated voltage. There are hardly any sensible reasons to run a 240 Volt lamp in a 120 Volt application. <><><>

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.

Use a 145v light bulb in a 120v socket?

Yes. The bulb will be slightly dimmer, but will last much longer. Most 145V bulbs are intended to be used in 120V exit signs. The reason for the higher voltage rating on the bulb is because it will last a long, long time when used at 120V.

How do you get 120v from 220v socket?

You don't, at least, not legally.

What bulb works in the argus showmaster 500?

A DFG base down 150W/120V lightbulb

Why would a high watt lamp draw more current than a low watt lamp?

Power is measured in Watts, power (Watts) = E (volts) x I (current - amps) current is determined by the internal resistance (R) of the lightbulb, the lower the resistance the more current will flow. 120v x 0.5a = 60W 120V x 0.83a = 100W the 100W lightbulb will draw more current We also have Ohm's law: E(volts) = I (amps) x R (ohms) Household voltage stays the same at 120v we have for a…

Can you plug in a 120v appliance into a socket in UK?

No, the cord ends have different configurations to prevent this sort of thing from happening.

What is the max wattage for a 120V outlet?

depends on the amp rating for the socket. amps times volts equals watts

What is the standard voltage in Alberta Canada?

Household is 120/240 volts at 60Hz. The average wall socket is 120v 60Hz.

Can you use a 125v unnotched cable with a notched socket 120v ballast for your 1000 watt HID light fixture if you add a notch to the cord or remove the notch from the socket?

See discussion page for more.

Can you plug a 120V amplifier into a regular socket in a household?

Yes. Outlets are regulated at 110v. Use an overload circuit breaker to be on the safe side.

wattage of air compressors?

The average air compressor uses only about 120v. Which is the average house socket. Thus using about 400 Watts of power.

How many CFL bulbs can you use on a single pole dimmer?

Most CFL bulbs will not work with a dimmer, but there are special ones made for dimmers. Assuming you find some that work, the number depends on the wattage of the bulbs and the rated amperage of the dimmer. To figure it out, you would take the total wattage and divide it by volts. ( 120V) for normal house hold) which will give you amps. Then you would do 15% of the amps the dimmer…

Can a 125V and 30 amp plug be used for a device that requires 24V and 50 amp?

No. If you plug something that needs 24 volt into a 120v socket you will probably ruin your device.

What can happen if you jump a car battery with an indoor extension cord?

120v is what is in the socket at your house, your battery is at 12.6v. My guess is your battery would get hot and boil, releasing hydrogen which is explosive. And you run the risk of destroying many of your very sensitive computers, but more likely you would just pop your fuses.

How do dimmer switches work?

Most dimmer switches work by turning the light off for a certain amount of time...a light bulb connected to 120V 60Hz actually turns off 120 times a second...If you have it turn off 60 times a second (and stay off longer each cycle) it appears to be dimmer...This is what SCRs and Triacs do...They turn AC voltage off for a period of time,while still swithing fast enough that your eye sees no flicker.

Can you run your neon sign of 120v 50hz 60hz 0.6a 7.5kv 30mA in an Australian 240v power outlet?

No. The neon sign is fed by a step-up transformer. Primary side 120V, secondary side 7500V. If you applied 240 to the primary side you would get 15000 volts on the neon tube. A flash over and then nothing. If you can find a transformer from 120V to 240V or 240V to 120V then you are good to go. Connect 240V to 240V side and you will get 120V out the other, connect the 120V…

What makes a 480 motor with up down and stop 120v switch work?

I think I understand what you are asking. 3-phase motors usually are equipped with a starter or contactor, since all 3 hot wires need to be switched. The control voltage that runs the starters is 120V, because it's safer and also 120V switches and relays are cheaper. You would have a 480-120V transformer (called a control transformer) in the starter box to provide the 120V "control voltage". So the arrangement you describe would have two…

What takes less energy 120v or 240v?

120V takes less energy

How much resistance is going through a 75 watt light bulb?

p = v * i 75w = 120v * i i = 75w / 120v i = .625A v = i * R 120V = .625A * R R = 120V / .625A R = 192 ohm

Is 120v the standard in home outlets?

In the US, it is between 110V Min and 120v Max

Can you use a 115V welder on 120V?

I would say yes.. household power in the US is 110 to 120V depending on location from sub station most devices are set up to operate anywhere in this range

Can you take single phase of 120V with a hot wire and a neutral step up to 480v and then step down to 2 phases of 120V or do you have to input 2 phases of 120v to get 240V out?

Theoretically that can be done with transformers, but the power available would still be limited by the circuit breaker on the original 120 v supply.

How do you wire 12V AC to 120V DC?

You would need a 12VDC to 120VAC power supply.

Could a lamp bulb 110v-130v 2w 17mA be used on a 120v 40w bulb max lamp?

Yes. As long as the voltage is designed for the lamp and the socket and fixture can handle the heat (from the rated power in watts), you can. You will probably find that the socket or connector for this lamp is different than the one intended.

How can you wire one half of a 20 amp 120 v duplex wall socket to run 240 volts over 2 legs 2 separate 120 v legs?

You can't. I'm not sure exactly what you're trying to do, but the way it is written is not possible. It seems you might want to use half of a duplex receptacle for 120 and half for 240. This would not be code compliant, nor would it make sense. A plug designed for 240v will not even fit into a 120v receptacle. You need a 240 volt receptacle rated for the amperage you will need…

600 watts requires how many amps?

It depends on the voltage source. watts = voltage * voltage / resistance and amps = voltage / resistance example 1: To produce 600W from a 120V source, you need a resistor of size 120V*120V/600W = 24 Ohm. This would pull 120V/24 Ohm = 5 amps. example 2: To produce 600W from a 240V source, you need a resistor of size 240V*240V/600W = 96 Ohm. This would pull 240V/96 Ohm = 2.5 amps.