New Electrical Work

This allows the Hot side to float above ground and causes a shock hazard. I had to troubleshoot a problem in Florida where a person got shocked every time they took a shower. The problem was that the installer never attached the bonding screw from Neutral to Ground in main panel. It was a shocking experience. I actually had to take a shower to diagnose the problem.

Conduit is sized by the number of conductors that are being pulled into it. The conduit size of 1/2" will allow one #4 wire to be pulled into it. 3/4" will allow 2 and 1" will allow 4 #4 conductors to be pulled into it.

In the trade this is called a sub panel. It is a complicated job in as much as you have to know wire sizes, ampacity of wires and proper electrical workmanship. Such a project should be left to a licenced electrical contractor to take out the proper permits and call for proper inspections. By taking this route it will leave you confident that if any mishaps happen to the installation down the road your insurance company will be behind you 100%.

In most places it is illegal for unlicenced person to alter electrical wiring

Some GFIs have an audible alarm and buzz when they trip.

Answer

I have found that a GFI that has been painted over or corroded stuck will cause a buzz when it is overloaded and trying to trip. The problem is when it is painted over and seized open it cannot trip and causes a buzz.

I would first start by having the GFI that is closest to the problem switch replaced then check the switch again.

If you have any other questions please feel free to email tom@evecasino.com

If we assume that the inverter is used in your car on 12 Volts DC and you are creating 120 VAC; and the 2500 watts refers to the AC side of inverter then for a resistive load Amps = Watts / Volts = 2500/120.

It depends on where the sub panel is situated. If the panel is under the same roof as the main distribution panel then no ground rods are needed on the sub panel. If the sub panel is in a different building then a ground rod might be needed. There has been an electrical code rule change on this subject. Check with your local electrical inspector before installation so that it is done correctly.

It depends on what the wires are connected to and where the power supply is located. If the switch is lighted power has to get to the switch for the light. With a lighted switch you have a hot supply side, a neutral and then the wire going to the bell. So if Black 1 and Red 1 are supply voltage you would connect Red 1 to the hot side of switch, Black 1 would go to common as would Black 2. Red 2 would go to Bell side of the switch.

If you are talking about a 4-wire branch circuit you'll need to start with a 220 VAC breaker. It will have two terminals. Connect black and red wires to the two terminals. Doesn't matter in which order you make this connection. The white wire goes to the neutral bus bar where all other white wires are connected. The green or bare wire goes to ground bus where other bare wires are connected.

In an emergency it will heat half your oven or half your water heater because you only have half the supply voltage. The wattage must still meet the demand for the half power, Some special connections may be necessary to use 110 temporarly on the 220 circuits.

A single-pole, double-throw (SPDT) switch. This type of switch has a common terminal that can connect to either of two other terminals, allowing it to effectively control the flow of current between the two.

If you already know how to put one fixture on a 3-way, just connect white-to-white and black-to-black from one light to the next. If you're changing from a single switch to the 3-way, the exact wiring will depend on whether the power comes from the breaker box to the switch or the existing fixture. I'll assume you're starting from scratch or have the power going to the fixture.

You need #15 two-wire with ground and #15 three-wire with ground romex. Run two-wire from the breaker box to the first light fixture. Pull a another two-wire from this box to switch A and a three-wire between the switches. String two-wire from the first light to the second, second to third, etc. In the first box, connect white from source to the white fixture wire and the white going to the second box; black from source to the black to switch A; and the black fixture wire to both the white to switch A and the black to the next fixture. At each of the other 5 fixtures, connect all white to white and black to black (three pair in each box except the last one). At switch A, connect the white from the fixture to the common (center) connector and the black directly to the black going to switch B. The red and white wires going to switch B are connected to the two outside connectors of switch A. At switch B, the black goes to the common connector and the red and white to the outside connectors. At each box, connect all the bare wires (second ground) to each other and to the fixture or box. Now turn the power back on. If all the connectors are tight, power should follow the black wires from source past the fixture and switch A to switch B. From there it will go through one or the other of the travellers and, if switch A is in the same position as B, up the white switch leg to the fixtures, turn on all the lights and go back to ground.

The switch should always be on the HOT side. This way, when the switch is OFF, the light fixture is SAFE. Otherwise, you would have a HOT fixture with no clear return path when the swith is OFF -- very dangerous.

A circuit breaker does not "cause" smoke. A circuit breaker "breaks" a circuit when there is too much current, creating a hazardous condition for the wires that are connected to the circuit breaker.

The circuit breaker PROTECTS you from electrical fire.

Find the source of the smoke; what burned?

If a circuit breaker tripped during the incident, it is usually caused by melting/burning wire insulation, either inside or outside of an appliance. If the insulation inside the walls of your house has burned/melted, it could be that the circuit breaker was too large for the wire or that the circuit breaker failed to shut off at the appropriate current load.

If the circuit breaker failed, your insurance should help you.

If an appliance overloaded the circuit, your insurance should help you.

If someone connected an oversized circuit breaker, causing the wire to overheat, your insurance company may refuse to help you.

Conduits are typically secured at multiple intervals along the length of the conduit, usually every 3 to 5 feet depending on local building codes and requirements. Inspections are conducted to ensure that the conduits are properly secured and supported at the electrical service entrance to prevent damage and maintain safety standards. It's best to consult with a licensed electrician or building inspector for specific regulations in your area.

10 AWG wire will have less resistance per foot and therefore you can have longer runs with 10 AWG than 12 AWG without as much loss of signal.

Additional to loss of signal there is a need to maintain a low impedance driving the typical speaker with its 4 ohm or 8 ohm coil resistance, to avoid frequency-distortion. A guide rule is that the speaker cable should have a total resistance around 1% of the speaker resistance (or less). On that basis, for 5 yards of speaker cable for a 4 ohm speaker the wire size would be 4 sq. mm (11 AWG) or for an 8 ohm speaker 2 sq. mm (14 AWG).

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Using the above formula of 1% of the speaker resistance the above answer is not correct.

For a 4 ohm speaker at 1% is .04 ohms. The resistance of #12 wire is .001588 ohms per foot. This will allow you to run 25 feet and still stay within the parameters.

For a 4 ohm speaker at 1% is .04 ohms. The resistance of #10 wire is .00100 ohms per foot. This will allow you to run 40 feet and still stay within the parameters.

You can see, what the first answer states is correct.

It is Ratio between Voltage appearing across Faulty phase before interrupting faulty current to Voltage appering across all three phase after failt has been cleared.

It is designed as 1.3 for Solidly grounded system and 1.5 for Ungrounded syste.

From:Sanjay Rathod

ESSAR STEEL LTD(MRSS)

You need to know the voltage and Power Factor in the equation Watts = Amps x Volts x Power Factor. Now Power Factor is equal to one for a resistance load and decreases for loads like motors. So for example if you are talking about a home portable electric heater that draws 15 Amps at 120 Volts your Watts would be 15 x 120 = 1800 watts or 1.8 kilowatts.

It depends on a lot of factors. Since you will have to get an electrician involved you should start there. It is likely that you can double the capacity, but the electrician would consult with your power company to determine what is possible. I recently went from 200 A to 400 A service with a large addition; and a transformer was required in the house with rework of the two panels I already had into 5 panels.

Number 6 wire is thicker and can carry more current compared to number 12 wire. The American Wire Gauge (AWG) system is used to measure wire sizes, with lower numbers indicating thicker wires. Number 6 wire has a larger diameter and lower resistance than number 12 wire.

I don’t know

An 8-gauge wire can typically carry around 40-50 amps of current. However, the actual capacity may vary depending on factors such as insulation type, installation method, and ambient temperature. It is always best to consult the National Electrical Code (NEC) or a licensed electrician for specific guidance.

A 10 Gage wire will carry 30 amps. But if you are talking 10 Gage fusible link wire then that's different, a fusible link wire is a delayed fuse & will melt if over loaded.

The general rule of thumb in the automotive trade is use a fusible link wire 2 Gage smaller then the load wire.

If you are using a 10 Gage wire then you should protect the circuit with 14 Gage fusible link. I hope this helps!

It depends on the amperage of the circuit breaker. For a typical 15 amp circuit breaker, you can run up to 12 outlets or receptacles. However, it is recommended to consult a qualified electrician to determine the appropriate number of outlets based on the specific electrical load requirements of the devices being used.