Electrical Wiring

The ability of a material to transfer heat or electric current is called conductivity. It measures how easily heat or electricity can move through a material. Insulation, on the other hand, is the resistance to the flow of heat or electricity.

The place you buy if from may do it for free, if new, or charge a small fee of $50-100.oo or less. If you hire a handy man that could vary. Both appliances come with directions how to hook up. The washer is easier than the dryer. You have a hot and cold line that connects from the washer to the spickets behind the washer, they are marked on the hoses. There is another hose that goes in the back of the washer that goes to the same spot that drains the water out on the spin cycle and a plug. On the dryer there is a plug and the vent hose that goes from the back of the dryer to the vent hole in the floor or wall. Takes less than an hour to do both. This is IF you have hook-ups already in place for a washer and dryer. If not, the costs are going to be a lot more significant. The cost depends on where you are putting the washer and dryer. If plumbing and electrical lines are close by it might run you about $400-500 for everything. (water lines to the washer, drain for the washer, electrical to the dryer and vent for dryer) However, it can be several hundred dollars more if you need to run plumbing and electrical lines significant distances (20 ft or more). To make it the cheapest possible, pick a location where water lines and an electrical box are less than 10 ft away. Also, if you do it yourself, you can save a lot of money and might only spend $100-200 in materials.

Two examples of electric insulators are rubber and glass. These materials do not conduct electricity easily due to their high resistance to the flow of electrons, making them suitable for insulating electrical wires and components.

If you suspect the circuit breakers are damaged after an electrical shock, look for signs like physical damage, a tripped breaker that can't be reset, or burn marks/smoke near the breaker. Additionally, check for any unusual sounds, such as buzzing or crackling, coming from the breaker panel. It's essential to have a qualified electrician inspect and repair any damaged circuit breakers to ensure electrical safety.

Turn Back NOW! This will make no sense unless you are an expert electrician!

Current refers to the movement of electrical charge from one point to another. Electrons are typically the only carriers of charge in an electric circuit.

Voltage is a bit more difficult to understand in concrete terms. It is related to potential energy. Electrons are attracted to positive charges and will accelerate toward them if free to move. The potential energy of an electron reflects how much kinetic energy it would have if it were accelerated all the way to the positive charge, or the amount of energy it would have taken to move the electron from the positive charge to its current position. Because electric energy is a "conservative field", these quantities are equal. The electrons don't have to move the whole distance to the positive charge, and in electric circuits we are most concerned with "potential difference" between two points partway along the path.

Because electrons have a negative charge, the positive direction of current flow is actually the opposite of the direction of motion of the electrons. Also, negative voltage is where electrons have higher potential energy. Because both of these are reversed, it is rarely necessary to be aware of these inconsistencies in practice.

The basic rules for analyzing a circuit follow from these facts.

Since current is a measure of flow, and electrons are neither created nor destroyed, the current flowing into a point in a circuit must equal the current flowing out.

Because voltage is a conservative field, voltage difference around any complete path through the circuit is 0. As much energy as an electron gains going out, it will lose returning to its original position. Voltage is defined for any particular point in a circuit, regardless of the path taken to that point. (However, voltage can change over time.)

Different electrical components have characteristic relationships between the current through them and the voltage difference between their terminals, and their designed parameters. A battery has one of the simplest relationships. The voltage difference is constant regardless (theoretically) of the current. A resistor is described by the formula V1 - V0 = iR, where the voltage difference (V1 - V0) is proportional to the current (i) and the designed resistance (R) of the resistor.

Connective wires have practically no resistance compared to other components in the circuit. So you can assume the voltage difference across the wire is V1 - V0 = i * 0 = 0. Therefore any terminals connected by unbroken paths of wires can be assumed to have the same voltage.

Define a voltage variable for each such wired node, and a current variable for each component between these nodes. For each voltage node, write an equation adding all currents into the node, and subtracting all nodes out, and placing 0 on the right hand side. Add the characteristic equations for the components. Then solve the system of equations.

It might help intuitive understanding of the equations to correctly guess the directions of the currents, but it is not necessary. The only requirement is that a current added to the equation for one terminal should be subtracted from the equation for the opposite terminal. If you guess the wrong direction for the current, the result will come out negative.

A volt is a unit of electromotive force or potential difference between two points in an electrical circuit. It represents the push or pressure that moves electric charges through a circuit. It is used to measure the difference in electric potential energy between two points in a circuit.

Electrical pressure, or voltage, is measured using a device called a voltmeter. The voltmeter is connected in parallel to the circuit or component being measured, and it provides a numerical reading of the voltage present in the system. Voltage is typically measured in units of volts (V).

To reduce static electricity in a sweater, try using a fabric softener when washing, adding a humidifier to the room, or lightly spritzing the sweater with water. Another option is to rub a dryer sheet over the sweater to help neutralize the static charge.

Electricity is measured by amperes, not by counting electrons. And of course, different circuits have different numbers of amperes moving through them anyway. However, for a very rough estimate, there would normally be something on the order of a trillion trillion electrons involved in a normal electric current. Individual electrons are very small and very numerous.

Humans can typically detect static electricity at levels as low as 3,000 volts, but this may vary depending on individual sensitivity. Below this threshold, static electricity may not be felt by most people.

Circuit protectors are devices that are used to protect electrical circuits from overloads or short circuits. They quickly interrupt the flow of electricity in the circuit when a fault is detected, helping to prevent damage to the circuit and reducing the risk of fires. They are commonly found in electrical panels or power distribution systems.

If you're asking whether it is physically possible, yes. If you're asking if this is an acceptable installation, again the answer is yes. A breaker box can be installed either end up, and it doesn't make much difference. Either way the small 'branch circuit' breakers are fed from the main breaker. The only difference it might make, is that some residential panels come with knockouts in the top and bottom. Some panels have top knockouts only. If you're running your homeruns through an attic, you'd probably want to install the panel with the knockouts up, for ease of installation.

If you need a 220v circuit at only 15 or 20 amps: Get a new breaker to replace your 110v single pole breaker with a 220v double pole breaker. (You cannot exceed the original breaker's amperage rating unless you also replace the wire with a larger size). Shut off the panel's main breaker (the wires coming into the main breaker will remain hot, so don't touch them.) Remove the old 110v circuit's neutral (white) from the neutral bus bar in your distribution panel. Remove the old 110v circuit's hot (black) from the old 110v breaker. Remove the old 110v breaker. Install the new 220v breaker in place of the old breaker. (This may require you to rearrange some breakers if the old breaker was in between others) Reconnect the black wire to one terminal of the 220v breaker, and reconnect the white wire to the other terminal. Turn on the main breaker, and your new 220v breaker. Before you do this, be sure where the actual circuit goes. Changing 110v to 220v if the circuit is feeding regular 110v receptacles will cause damage to devices plugged into them. Be sure you remove all 110v devices (receptacles) from the circuit before converting it. If you need a 220v circuit for a dryer or other large appliance, your existing wiring will not be sufficient to do the above. You will need to install a new breaker and wiring. For this task, you should consult a professional electrician.

Connect all the red wires together and insert them into one terminal on the light switch. Connect all the black wires together and insert them into the other terminal on the light switch. Make sure to turn off the power before working on the wiring.

Rubber is an example of an electrical insulator. Rubber does not conduct electricity well because its electrons are tightly bound to the atoms, making it difficult for them to move freely and carry an electric current.

Answer for USA and Canada power supply service. Electrical panel layout might explain where the two numbers come from on a single phase installation On a electrical panel boards the wiring numbers go from left to right, top to bottom. There are 2 hot legs coming into the panel. L1 and L2. Breakers on L1 are 1,2,5,6,9,10. Breakers on L2 are 3,4,7,8,11,12. This is a 12 circuit board. This configuration allows every two adjacent breakers to connect to 240 volts. Example 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11. Same with the even number side. So you see that a two pole breaker connects across the two hot legs L1 and L2 no matter where it is on the panel board. Any of these breakers on a panel board to the neutral will give you 120 volts no matter if the supply leg is L1 or L2. Just remember L1 to Neutral equals 120 volts, L2 to Neutral equals 120 volts, L1 to L2 equals 240 volts. The amperage of a breaker is a limit of the amount of amperage it will allow to pass before it will trip. The wire has to be the right size for the breaker. Under sized wire will heat up if more current is applied to it that its rating will allow.

A prism is a device that splits light into a band of colors known as spectrum by taking advantage of the property of different colors to travel with different velocities in the same medium.

answered by priyanka tripathi 'diksha' frm: V.P.S.

The metal used in a flashlight battery is typically zinc. Zinc-carbon batteries and alkaline batteries are common types of batteries used in flashlights, both of which contain zinc as a key component in their construction.

yes indeed, in that case the current will be reversed thus, the magnetic field that coils on the wire will also be reversed(ex. from clockwise to counterclockwise and vice versa) you can understand this more by representing your right hand's thumb pointing as the direction of the current with the fingers closed, then the direction where the fingers are pointing will show how the magnetic field will coil through the wire.

-K14

Electric shock occurs when high voltage passes through a person's body, typically when they provide a path for the electrical current to flow, such as through their hand or foot. The severity of the shock depends on factors such as the amount of current and the path it takes through the body.

Electricity tends to travel towards the ground. when we touch an electrical substance, our body acts as a conductor and the current passes through our body to the ground. this is how we get an electric shock.