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New Electrical Work
Electrical work ranges from the installation of new electrical components to the maintenance and repair of existing electrical infrastructure. It may also include wiring airplanes, ships and other mobile platforms.
4,938 Questions
There is no problem. The reason the code stipulates clearance, is for access without obstruction. This is so that breakers can be reset with out having to climb over materials stored in front of the panel. If any work has to be done on the distribution panel the electrician needs to have access and not have to move a pile of stuff before they start to work. I have actually told a customers that I will be back in an hour when the panel is clear of storage material.
It will be important to provide a way to secure the door closed so when work is being done, the door isn't abruptly opened and knocks the electrician into the panel. Any simple latch will suffice.
How many amps in a circuit with 2 D cells and a resistance of 4 ohms?
A perfect typical D cell is 1.5V (alkaline slightly less) so two cells are 3.0V. The current flow would follow Ohm's law E=I*R or in this case I (current) = E (voltage) / R (resistance) or 3/4 = 0.75 Amps.
Note that D-cells cannot for long supply this much current and the voltage from the cells will be less than 1.5V (due to the cell's internal resistance) and will fall off rapidly as they simply do not have the capacity to deliver this much current for very long.
What is a 200 amp four lug panel?
A 200 amp four lug panel is an electrical distribution panel that can handle up to 200 amps of electricity. The "four lug" designation means that it has four terminals for connecting wires or circuits. This type of panel is commonly used in residential and commercial buildings to distribute electricity to different circuits.
What size of wire and breaker do you need for a 20kw electric furnace?
In order to properly size the wire per National Electric Code (NEC) standards you will need to know the amperage and the distance of the device (heater) from the source (circuit breaker panel). In order to know the amperage one would need to know the voltage since amperage changes inversely with voltage.
What size wire do you need for 42 amp circuit?
For a 42 amp circuit, you should use at least a 8-gauge wire to ensure it can handle the current safely and prevent overheating. It's always best to consult the National Electrical Code (NEC) or a licensed electrician for specific wiring requirements to ensure compliance with local regulations.
How do you wire a new light with an on off switch using wires coming from another light?
If you have unswitched supply from a light you need to route the supply through the new switch to the new light. You want to switch the black wire and just connect the white wires together with a wirenut and connect the bare ground wires together by a separate wirenut.
How high to install a dryer receptacle?
For convenience I install the receptacle just above the backboard of the dryer. This way if the dryer is to be moved out of its location it can be unplugged before the move is started. Sometimes the dryer is located in a confined space and it is hard to reach down to the floor level to unplug the dryer with out becoming an acrobat.
Can a 30 amp double pole breaker be used to supply 15 amp breakers?
No, the number on the handle of the breaker is the maximum amount of amperage the breaker will handle before it trips. A two pole breaker is handling 240 volts. A single pole breaker handles 120 volts. Each of the "hot" wires from the two pole breaker has a potential of 120 volts to the neutral wire, but 240 volts from one "hot" wire to the other "hot" wire.
What size breaker should you use for a unit that draws 58 running amps?
To determine the correct size breaker, you need to ensure that it is rated higher than the running amps of the unit. For a unit drawing 58 running amps, a breaker that is rated for at least 70 amps would be appropriate to provide a safety margin and prevent tripping due to overload.
How do you re-wire a 230 volt 15 amp air-compressor motor with the twist-lock cord end missing?
Obtain a plug body matched to the receptacle being used to supply power.
In all probability, you have a 3 conductor cord, 2 line conductors and a ground. Color of the line conductors may be black/red or black/white. Green is always ground. Connect the line conductors to the line terminals (orientation is irrelevant), and the ground.
If a 4 conductor cord, black, red, white, and green conductors. black/red will be line, white neutral (probably unneeded) and green ground.
Other variables may be considered if the question were expanded to include more information.
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The cap end that you are looking for is a classification of 2 pole 3 wire grounding, 250 volt. Its designation is a L6-15P. The 230 volt supply goes across the terminals X and Y with the green ground wire going on the G terminal.
How do you wire a switch outlet combo circuit to an existing 3 way light switch?
A switch is just a break in your hot wire. Your incoming power is usually on the bottom of the switch. Hook that one up to the hot side(gold in color) of the receptical and either pull the other wire out or snip the end off that is exposed and put a wire nut on it. Now you have to have a neutral wire(white). If there's one in there that was not hooked to the top of the switch then hook it to the silver screw of the recep. If one is not in there you'll have to bring one to it and you'll be good to go.
Can you run a 15 amp mig welder on 10 amps?
No, you should not run a 15 amp MIG welder on a 10 amp circuit. The welder requires a 15 amp circuit to operate safely and effectively. Running it on a lower amperage circuit can result in overheating, tripping the circuit breaker, or damaging the welder. It's important to use the appropriate power source for your welding equipment to prevent accidents and equipment damage.
What is the typical amp of a kitchen plug?
6 useable outlets, not counting washing machine, clothes dryer, etc. <><><> As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Can you plug a 120volt 30 amp cook-top into a regular plug?
The typical electric stove (range) operates on a plug that supplies 220 volts AC to the stove. Some parts of the stove operate on 110 volts AC. The oven light for instance. The standard range plug consist of two separate 110 volt lines, which add up to 220 volts. It also has a third line that is referred to as the "common" line. It won't work without it. You could open the plug, attach a wire to one of the 110 volt lines and another from the common to a standard 110 volt plug. This however is dangerous and you should be well aware of what you are doing. Most modern wiring also has another wire which is usually a bare conductor which is called a "ground", therefore the 3 prongs on a standard 110 volt plug. It is safest to have the third wire in place otherwise electric shock and injury may occur. Kill the power before attempting any of the above as electricity properly grounded through you could kill you. The heating elements on the stove will not work on 110 volts so if you are looking to save power you are right because it won't use any. The stove simply will not work, which would be a savings.
For safety, you will also need to disconnect the two stove conductors at the distribution panel breaker and replace it with a 15-Amp or 20-Amp breaker to protect the 110 outlet and any devices plugged into it.
With some effort, you couldFirst, I assume you're comfortable working around electrical panels. If you're not, PLEASE get an electrician to do this!There are two things that really need to be done to make this work.
First is at the panel. Right now, there is a double-pole 50-amp breaker serving that outlet. It is connected to the outlet with 6/3 AWG wire--6 gauge, 3 conductors and a ground. No 110-volt outlet in the world can deal with 50 amps of current. Turn off the main breaker, open your panel and replace that 50-amp double-pole breaker with two 20-amp single breakers. Close up the panel, and you're done.
Next is at the outlet. You will need: two 20-amp duplex receptacles, the deepest two-gang old work box they've got at the store, some nice fat wire nuts, a two-gang cover plate, and some 10-gauge solid wire: a foot of red, a foot of black, two feet of white and two feet of uninsulated. You have to pigtail 10 AWG (American Wire Gauge--how solid wire is sized) to the present 6 AWG because 6 AWG won't fit in a 20-amp receptacle. You have to twist the wires together to make the connections, and there's only one good way to do it--hold two wires parallel to each other, lock them together with vise grips and twist them with another pair of pliers. Anyway, put single pigtails on the red and black, and double pigtails on the white and bare. Hook them to your receptacles and seal the box up.
You now have a pair of outlets that won't ever give you trouble.
What wire size for 125 vdc battery to feed a 200 amp main breaker?
For a 125 VDC battery feeding a 200 amp main breaker, you should use at least 2/0 AWG wire size to ensure proper current carrying capacity and safety precautions. Larger wire sizes could be used if the distance between the battery and breaker is substantial to minimize voltage drop.
What gauge of wire do you need from a 20 amp breaker?
For a 20 amp breaker, you typically need to use 12-gauge wire. This wire size is capable of handling the current load without overheating or causing a fire hazard. It is important to always follow local electrical codes and regulations when determining wire size for a specific amperage.
What size wire for 25 amp 110 volt for 75 feet?
For a 25 amp load at 110 volts over a distance of 75 feet, it is recommended to use a minimum of 10 gauge wire to ensure proper conductivity and safety. Using a wire gauge smaller than 10 may result in voltage drop and overheating of the wire.
How do you install a swag kit with two wires to a light with three wires?
You will first need to determine which wire is the hot wire in the ceiling box. Connect the swag kit's two wires to the hot wire and the neutral wire in the ceiling box, leaving the third wire unconnected. Ensure all connections are secure and insulated. You may need to consult a professional electrician if you are unsure about the wiring.
Can the electrical sub panel be over stairs?
It is not recommended to place an electrical sub panel over stairs as it can create safety hazards. If possible, try to find an alternative location that is easily accessible and not obstructing any pathways. If it must be above stairs, make sure it is properly mounted and securely fastened to prevent any accidents.
How do you cover a switch if the electrical box sticks out too far?
If it is in a location where it needs to look neat then you have to redo the box. This involves some carpentry or sheetrock work along with possible rewiring skills. If you don't care how it looks just put on a normal switch plate. However, this is sloppy work and shouldn't be tolerated if you have any recourse with the person who did the work.
How many branch circuits can be attached to the screw of a single pole 15 amp breaker?
Your question presumes that each connected wire would be a separate circuit. They are not.
However, you may place as many as 2 wires on a breaker, provided they are the same size and both either stranded or solid. Do not mix solid and stranded or different size conductors as this makes it likely that one wire will not be as tight as the other.
It is better practice, and in some local jurisdictions is required, to put only one wire on the breaker, run it to a junction box outside the panel, and branch from there. It eliminates confusion and the look of poor workmanship inside the panel, and it meets the requirements of the jurisdictions that do not allow you to do otherwise.
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The Canadian electrical code only allows one wire to be connected under the breaker's screw termination. The reasoning for this is that the installer can keep track of the exact amount of devices on the circuit and what section of the home the circuit services. A good reason to keep the breaker to one circuit is when trouble shooting the circuit, two circuits are not disconnected when the breaker is shut off.
What wire size in a 20 amp 250 volt circuit?
The wire rating for a # 12 wire is 20 amps. If you are going to continuously load the circuit you need to de-rate the wire by 80%. This brings the current down to 20 x .8 = 16 amps. The wire rating of a # 10 wire is 30 amps. 30 x .8 = 24 amps.
Can a double pole 15 amp breaker help?
No. In North America a double pole breaker is used to obtain a voltage of 240 volts from the distribution panel. What ever the amperage rating stamped on the handle of the breaker is, that is the amperage that the breaker will trip at.
It depends on the amount of current (Amps) your breaker is rated for. If you boost your voltage the current will go down proportionally. 10 guage wire has an allowable ampacity of 30A. so if you are not drawing more than 27A you should be ok.
How is the light switch in the bathroom different to other light switches?
A light switch in the bathroom is typically designed to be more resistant to water and moisture compared to light switches in other areas of the house. This is to ensure safety in a potentially wet environment like the bathroom. Additionally, some bathroom light switches may have built-in features like a timer or a dimmer switch to provide additional functionality.
