The neutral is an insulated wire because it is part of the circuit which flows electrical current. Essentially it allows power to return to its original.
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How do i know if i have a neutral wire. Either way running a new wire inside the walls and ceilings of your home may be too much trouble. However if you need to rewire a light switch or a plug socket you may occasionally come across two black wires. This wiring is known as a switched hot. One black wire is going to a pole on the existing switch and the white wire is going to the second pole on the existing switch. However if you see a white wire with electrical tape on it that may indicate that its being used as a hot wire. Unfortunately even though you have a white you do not have a neutral.
Option 2 smart switches that dont require a neutral wire. What is a neutral wire. There are dimmable smart switches on the market that. The hot and neutral from the electrical box was fed to the load first. Black means hot white signifies neutral and green indicates ground. You can also have an electrician rewire the switch and light fixture which is potentially more expensive.
Neutral wires should be white. Modern thermostats with wi fi and backlit display by contrast need a steady supply of juicethe c wire or common wire enables the continuous flow of 24 vac power to the thermo. The neutral wire the purpose of the neutral wire is to complete the 120volt ac circuit by providing the path back to the electrical panel where the neutral wire is connected and bonded to the earth ground. The standard color for your hot wire is black. If you want to use smart switches and dont have a neutral wire in your switch box you can hire an electrician to run a neutral wire between the light fixture and the switch. Back in the olden days thermostats were simple onoff devices that didnt need their own continuous power supply.
Since most insteon compatible wall switches and dimmers require a neutral wire connection to operate you need to know if you have one of these in place. The hot was fed down to the switch. The grounded electrode conductor. A neutral wire is a type of wire in which carries currents back to the source of power and or regular voltage. The united states has strict codes relating to home wiring including clearly defined colors on the outer casing of the wires. If you see a black wire you should always assume its hot.
There can be other colors of hot wires in some systems as well but black is the most common.
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