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Firstly, check how long this circuit is (in metres) as loss of voltage increases as the length of the cable run does and so you may need to 'upsize' the cable's cross-sectional area to allow more current and reduce the loss.
If it is just one breaker then you likely have a bad breaker that needs to be replaced. Another possibility is that your ground is floating at about 40 volts. This would typically cause problem for all breakers (circuits). Check connection to ground rod and bonding in panel between neutral and ground at main panel only. If you can provide the precise circumstances when this happens, it can help with diagnostics.
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How many amperes flow in a 60 watt bulb rated for 120 volts when connected to a 120 volt circuit?
The current is half an amp because amps times volts equals watts.
Can you use 240 volts with a 120 volt supply?
Only if the cable going to your well pump is a three wire. The third wire could carry the neutral and you will have 120 volts from either 240 leg to the neutral.
Can you plug a 110V appliance into a 115V outlet?
120 Volts and 115 Volts refer to the same thing in the US. Residential electricity is provided at 120 Volts from the utility. High current devices such as motors are often rated at less than the supplied voltage (such as 115 Volts) because it is expected that there is a small amount of voltage drop in the circuit feeding them. The National Electric Code allows a 5% drop in voltage from the electric service so a 5 Volt drop from 120 Volts is OK.
What can occur when an unprotected person touches a 120 volt AC circuit delivering a current of approximately 100ma?
120 volts. Probably won't kill you, but it isn't pleasant.
What size wire for 110 volt 20 amp circuit 250 ft?
A #4 copper conductor will limit the voltage drop to 3% or less when supplying 20 amps for a distance of 250 feet at 120 volts.
Can a 120 volt appliance run on a 110 volt circuit?
Yes. Circuits in a home are 120 volts but people tend to call them 110 volt circuits. The 120 volts you read on the appliance is the maximum voltage the appliance can handle. The actual voltage you will read at any outlet will range from 110 to 120 volts.
Can you use a 130 volt light bulb in a 120 volt socket?
Yes, the 130 volts you read on the bulb is just the maximum it will handle. It will work perfectly in a 120 volt circuit.
Can you plug 120 volts into an 85 watt cigarette lighter in a car?
An automobile cigarette lighter uses 12 Volts DC. A typical 120 Volt circuit would destroy the 12 volt lighter.
How many amperes flow in a 60 watt bulb rated for 120 volts when connected to a 120 volt circuit?
The current is half an amp because amps times volts equals watts.
Can you use a 130 volt swimming pool light bulb in a 120 volt swimming pool socket?
Yes, the 130 volts you read on the bulb is the maximum it will handle. It will work perfectly on a 120 volt circuit and will actually last longer than a standard 120 volt bulb.
Can you use 240 volts with a 120 volt supply?
Only if the cable going to your well pump is a three wire. The third wire could carry the neutral and you will have 120 volts from either 240 leg to the neutral.
How volts comes from a 20amps breaker?
On most residential circuit breaker boxes in North America, each individual breaker represents one 120-volt circuit. Two breakers ganged together represent a 240-volt circuit.
Can you plug a 110V appliance into a 115V outlet?
120 Volts and 115 Volts refer to the same thing in the US. Residential electricity is provided at 120 Volts from the utility. High current devices such as motors are often rated at less than the supplied voltage (such as 115 Volts) because it is expected that there is a small amount of voltage drop in the circuit feeding them. The National Electric Code allows a 5% drop in voltage from the electric service so a 5 Volt drop from 120 Volts is OK.
What can occur when an unprotected person touches a 120 volt AC circuit delivering a current of approximately 100ma?
120 volts. Probably won't kill you, but it isn't pleasant.
What size wire for 110 volt 20 amp circuit 250 ft?
A #4 copper conductor will limit the voltage drop to 3% or less when supplying 20 amps for a distance of 250 feet at 120 volts.
How many volts does a house run on?
120 volts and 240 volts. Typically 240 volts is supplied to the house electrical service entrance. It is split into it's 120 volt components via two buss bars. Hooking a circuit up to just one bar yields 120 volts. Hooking into both gives 240 volts.
Is a branch voltage in each branch of a parallel circuit less than the applied voltage?
Yes. In a 240 volt circuit, the total applied voltage is 240 volts but each leg is carrying only 120 volts.
