We talk about current flowing, not voltage. Current can flow without wire as is witnessed in a lightening storm. Voltage can be transferred via induction through the air as well.
To check the voltage in an exposed wire, you can use a digital multimeter in voltage measurement mode. Ensure the wire is not connected to any power source, then carefully touch the multimeter probes to the exposed wire's metal contacts. The multimeter will display the voltage present in the wire.
Plugs are based on the voltage in use and the amperage of the device that the plug is connected to. Without the voltage and amperage this question can not be answered properly.
It may not be correct to say that an electric current will "flow into" circuits. Electrons move in a circuit in response to an applied voltage. And these electrons are alread in the circuit and available to support current flow if a voltage is applied. It may be more correct to say that electrons leave the negative terminal of a voltage source, and electrons enter the positive terminal of that voltage source. The electrons in the circuit that are availble to support current flow will "shift over" to create the current flow. Remember that the phenomenon of current flow in a wire is the "shifting over" of electrons in the wire. It's not about electrons going into one end of a wire and those same electrons coming out the other end. Use the link to the related question for more information that might help make things clearer.
Use a voltage meter.
No, SJ type wire is not rated for 277V application. This wire is typically designed for lower voltage applications such as 120V or 240V. It is important to use wire with the appropriate voltage rating to ensure safety and compliance with electrical codes and standards.
There is a strap which you wrap around your wrist and a wire with a clip on the end. Attach the clip to the chassis of the computer to eliminate static electric discharge. Any difference in voltage between the chassis and you will flow through the wire and be neutralized.
It is mandatory to use a larger wire size to overcome voltage drop at the load.
This is a voltage drop question. To answer this question a voltage has to be stated. The higher the voltage to the circuit becomes the smaller the wire size needed. After a certain voltage point the wire size will remain constant and the voltage drop at the load will become smaller.
To determine which wire is hot when both wires are black, you can use a voltage tester or a multimeter to check for voltage. The wire that shows a voltage reading is the hot wire. Make sure to follow proper safety precautions when working with electrical wires.
the meaning of 210 volt wire is that it can withstand under 210 voltage conditions.the physical properties or condition of the wire is such that it can withstand 210 voltage.we use it upto 210 volts.
I'm not able to determine whether a wire is live without additional context or information. It's recommended to use a voltage tester or consult with a qualified electrician to safely identify live wires.
This is a voltage drop question. To answer this question a voltage needs to be stated.