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You must have at least two wires in a circuit because a complete path is required for current to flow. It's much easier to understand if you think of electrons as drops of water. Voltage would be like the size of the pipe, and current would be the amount of water moving past a single point in the pipe, and resistance would be like anything in the pipe that restricts flow of the water like a turbine or an orifice. In this case, a single wire going to a load like a light bulb would be the equivalent of water on one side of a dam. If you don't let the water out of the other end, you just get a lake and the turbines won't turn. So, in order for there to be current flow you need a return path (a second wire). Hopefully this answers your question.
Your friendly neighborhood nuclear engineer.
What else can I help you with?
Can two circuit share the same common and ground wires?
US NEC: The only place two circuits can share the same neutral (common) and ground wires is at the distribution panel, and that is only because those two conductors are tied together at the distribution panel.
What do you call a fuse with two black wires attached?
A fuse with two black wires attached is typically called a "black wire fuse." The black wires serve as the connections for the electrical circuit, with the fuse serving to protect the circuit from overloading or short circuits.
Is it safe to have two black wires two white wires and two ground wires on a single breaker?
Hopefully just the black wires are on the breaker. Two circuits on one breaker. Shouldn't be a problem. It would depend on how many outlets or lights were on the breaker in total. Even then, there is very little chance of something drawing current from every outlet at the same time. The only thing is you can't put two wires under one breaker (by code). You would have to wire nut them with a pig-tail then just put the one wire under the breaker.
Can you put two wires in one conduit and two wires in another conduit of the same circuit?
No, each conduit should only contain wires from the same circuit. Mixing circuits in a conduit can lead to interference and safety hazards. It is always best practice to keep conductors of the same circuit together to prevent potential issues.
WHY do the connecting wires used in electric circuits not produce any heating effect?
because of its covering.
What are the different colors of wires used in electrical circuits, including white, green, and black wires?
In electrical circuits, white wires are typically used as neutral wires, green wires are used as ground wires, and black wires are commonly used as hot wires.
How do you combine two or more circuits to achieve greater amperage ie. combine two 20 amp circuits to achieve a 40 amp circuit?
If you mean "combining circuits" as in connecting two or more circuits in parallel, this is only allowed by the National Electrical Code when the wires are at least size 1/0 (about 150 amps) You are not allowed to parallel conductors smaller than 1/0 If you meant something else, you need to clarify the question
What are the type of circuits used in wiring installation?
The two main types are series and parallel circuits. From these two circuits comes combinations of different series parallel circuits depending on what end results you need.
Can two circuit share the same common and ground wires?
US NEC: The only place two circuits can share the same neutral (common) and ground wires is at the distribution panel, and that is only because those two conductors are tied together at the distribution panel.
How do you wire two lighting circuits through a time clock?
If you mean two separate circuits from different breakers, you will need a 2-pole time clock. The circuits will need to be kept completely separate, including neutrals. Remember that a time clock is just a switch operated by a timer and you only switch the hot wires. The clock will be operated by one of the circuits. For this you will need the neutral of that circuit connected to the neutral contact of the clock. This is all rather simple if you can follow the wiring diagram provided with the clock. I doubt you can find a 2-pole clock at the local hardware or home improvement store. You may have to go to an electrical supplier. I say this is simple and for an electrician it is. If you get the clock you need and it doesn't make sense to you in a minute or two you should not attempt to do this yourself. Crossing the hot wires or connecting the wrong neutrals to each other can create very unsafe conditions.
Do neutral wires have voltage in electrical circuits?
No, neutral wires do not have voltage in electrical circuits. They are designed to carry current back to the power source and are typically at or near ground potential.
What do you call a fuse with two black wires attached?
A fuse with two black wires attached is typically called a "black wire fuse." The black wires serve as the connections for the electrical circuit, with the fuse serving to protect the circuit from overloading or short circuits.
Why you need electronic?
We need to use electric circuits so as to make the transfer of electricity easier. you must have seen various paths made in the circuits, these path controls and regulates the flow of current . But if we don't use electronic circuits then we will have to use wires which is very difficult to handle when we have to do large no. of operations li in computer.
Is it safe to have two black wires two white wires and two ground wires on a single breaker?
Hopefully just the black wires are on the breaker. Two circuits on one breaker. Shouldn't be a problem. It would depend on how many outlets or lights were on the breaker in total. Even then, there is very little chance of something drawing current from every outlet at the same time. The only thing is you can't put two wires under one breaker (by code). You would have to wire nut them with a pig-tail then just put the one wire under the breaker.
The points where circuits interconnect with other circuits is known as what?
The point where wires interconnect with other wires is known as a "junction". In your panel the circuit breakers are connected to the buss, each circuit breaker feeds a different circuit. Different circuits are not connected together.
What is the difference between red and white wires in electrical circuits?
The difference between red and white wires in electrical circuits is their purpose and function. Red wires are typically used as hot wires to carry electrical current, while white wires are usually used as neutral wires to complete the circuit and return the current to the power source.
What is the difference between white and black wires in electrical circuits?
The difference between white and black wires in electrical circuits is that white wires are typically used as neutral wires, while black wires are usually used as hot wires. Neutral wires carry current back to the power source, while hot wires carry current from the power source to the device being powered.
