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Modification of Old Electrical Work
Electrical and building codes have changed over time and new methods proscribed for safety. Converting the old to the new leads to lots of questions.
4,592 Questions
Does a range outlet need to be on the outside of the wall?
No, it can be set flush with the wall. Just remember that the cord end is a 90 degree plug and leave room if the receptacle is close to the floor.
In what type of system must the switch always interrupt the hot wire?
You switch the hot side instead of neutral, because there is a shock hazard otherwise. If a fault caused hot to connect to a metal part on the device, you would get shocked touching the metal part. Sometimes a double pole switch will switch both hot and neutral in special applications. It is never a good idea just to switch neutral.
Would a 12 volt battery need to use a capacitor to run a 1000 or 760 watt amp?
I have a 760 watt amp powering 2 10" subs and it works fine. my brother has a 1000 watt amp powering 2 12" subs and he got a capacitor. So it really depends on what amp your looking at. if the 760w you wont need one, if the 1000w i would be safe and buy a capacitor. for the 1000w amp you would only need a 1 or 2 farad capacitor.
Can you use a 15 amp fuse instead of 20 amp?
15 amp fuses are available in many different sizes and types. The correct answer to your question will depend on the type of circuit and the voltage and power rating of the electrical equipment which the fuse has to protect. Asking this type of question usually means you aren't yet ready to select fuses yourself.
Study some books about electrical wiring and appliances - and maybe also some electrical engineering technical textbooks - but in any case be sure to read and learn from your country's Wiring Regulations - in USA that is the National Electrical Code - and work out the answer to this question for yourself. If you get any answer here, you might attempt to do something you shouldn't be doing,
and that may cost someone a shock, a home fire, or their life. <><><>
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.
Is ribbed wire black or white?
Ribbed wire typically comes in black color for easy visibility and identification. However, it can also come in white or other colors depending on the manufacturer's specifications or application requirements.
How many watts is a 1000 amps?
Amps are not directly convertible to horse power, which is a measure of power. Power is current times voltage. Therefore on a 240 v supply, 1000 amps equals 240,000 watts. One horse power is 746 watts.
Looking at an electrical plug in the wall you will see two parallel slots. With the ground pin on the bottom, the slot on the right is the hot pin. The slot on the left, which is longer, is the neutral pin. Installing a receptical, the terminals on the back are brass screw to the hot wire and silver screw to the white. Brass, Hot - Silver, White, easy to remember that way.
There is a device in the market that allows you to trace the circuits. The device plugs into the outlet and transmits a high frequency signal over the circuits wires. The receiving device is brought into close proximity to the individual breakers in the distribution panel and when it senses the transmitted frequency it will go into an alarm state. This breaker will be the one that powers that particular circuit that the transmitter is plugged into. One that should work for you will be around $50.00. See related links below
What is the importance of ground wire in some devices and switches?
The purpose of the ground line is to provide a continuous, unbroken path to allow a circuit fault current to return to the distribution panel to trip the circuit's over current device.
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To prevent uncontrolled electricity from continuing to flow indefinitely. Grounding a line means that the line is connected directly to the earth.
Answer for USA, Canada and countries running a 60 Hz supply service.
An electrical ground is a path created so that stray electricity can be diverted to the Earth, rather than through (potentially) a person, if a short should occur.
A grounded outlet or other device is connected via a green-insulated, or bare wire to the ground buss bar in a fuse box or breaker panel. This bus bar is connected by a wire to either a cold water pipe (as close to the point it enters a building as possible), or to an 8-foot ground rod (which is driven into the ground outside of a building), or both.
Answer for countries in Europe and other world areas running a 50 Hz supply service.
Never ever use a cold water pipe or any other pipe that happens to be going into the ground because there is no guarantee that it is securely bedded-into the soil to be an effective and safe earthing point.
Instead, always use the earthing point provided by your electricity service supplier where the incoming electrical mains cable enters your property. (In some countries this is called the "service entrance".)
In certain special site circumstances a proper earthing plate, that has been designed and made specifically for that purpose - and which has been correctly installed into the ground by a licensed electrician - may have to be used.
<><><>
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.
No, the electrical code disallows distribution panels to be used for splicing of conductors or to be used as a raceway for through conductors. Some inspectors will allow the use of butt splices, properly installed with the correct tool and finally wrapped with electrical tape. Before the job is started inquire at the Electrical Inspection Agency for their thoughts.
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You will be better off to splice the wires at some point outside the panel in a junction box (J-box). This method will be legal under most (perhaps all) electrical codes and will allow easier access.
Where do you find an electronic ballast wire release tool?
An electronic ballast wire release tool can typically be found at hardware stores, electrical supply stores, or online retailers that specialize in electrical tools and equipment. It may also be available for purchase from manufacturers that produce electronic ballasts.
What size wire would be required for the power supply of a compressor at 45 amps?
8 AWG.
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Electrical code wire sizing for motors has to be at 125% of the rated motor current. So the wire has to have the ability to handle 45 + 11.25 = 56.25 amps.
A #6 copper conductor with an insulation rating of 75 or 90 degrees C is rated at 65 amps.
What size amp ciruit breaker should used for a 220volt hot tub?
Typically, a 50-amp circuit breaker is recommended for a 220-volt hot tub. However, it is important to verify the manufacturer's specifications for the hot tub to ensure the correct breaker size is used. It is recommended to hire a licensed electrician for installation to ensure safety and compliance with local building codes.
How many watts does a 15 amp breaker provide?
In a residence assume you are referring to 120 volt supply. Watts = amps x volts x Power Factor. Now Power factor is one for resistive loads like incandescent light bulbs. Power Factor can vary from zero to one when inductive loads like motors are added. So the maximum theoretical wattage would be about 15 A x 120 V. However, you de-rate a breaker to 80% of capacity so as not to continually trip breaker. Therefore, the answer you are looking for in a practical sense is 120 x 15 x .8 = 1440 watts or 1.44 kilowatts.
What happens when you plug a GFCI protected extension cord into an outlet that is GFCI protected?
When a GFCI-protected extension cord is plugged into an outlet that is also GFCI protected, it provides an additional layer of protection against electric shock. Both devices work in conjunction to quickly detect any imbalance in the electrical current and trip the circuit if necessary. This redundancy helps ensure increased safety against electrical hazards.
What can you run on a 400 watt inverter?
A 400 watt inverter can run small electronic devices such as laptops, cell phones, cameras, and smaller appliances like a fan or a small TV. It may not be powerful enough to run larger appliances like refrigerators or microwaves. It's important to check the power consumption of your devices to ensure they can be safely powered by a 400 watt inverter.
How many terminals does a one way lighting switch have?
Two, and possibly a ground. The ground will be clearly marked with a green colored screw.
How many 10 AWG electrical wire in parallel to take 100 amp load?
To carry a 100 amp load safely using 10 AWG wire, you would need at least two conductors in parallel. Each 10 AWG wire can typically handle around 30-35 amps safely, so two wires would provide the necessary capacity. However, it's recommended to consult with a qualified electrician for a precise calculation based on your specific setup.
What is the correct width of a light fixture over a pedestal sink?
A general guideline is to choose a light fixture that is roughly 1/3 the width of the pedestal sink for balanced proportion. However, it's also important to consider the size of the room and the distance of the fixture from the mirror for proper lighting distribution.
How do you wire a single pole switch?
There are different ways to do this. The basic way it to use the black wire on each line (power from breaker and line to the outlet/appliance) and wire it to the switch. The white wires can be tied together using a wire nut or some type of wire joining device. The ground wires must also be tied together and to the junction box.
Follow basic precautions such as making sure there is no power to the line before attempting to do this.
How many amps does a 220 ac use?
There is no standard Amperage for a 220 volt outlet. It all depends on the wires/conductors used to supply the outlet and the breaker that protects it.
You can have an outlet with:
15 amp, 220 volt
20 amp, 220 volt
And so on.....
What is the cable size required for a 250 amp and 160 amp load?
For a 250 amp load, a cable size of at least 3/0 AWG (American Wire Gauge) or 70mm^2 is recommended. For a 160 amp load, a cable size of at least 1/0 AWG (American Wire Gauge) or 50mm^2 is recommended. It is important to consult local electrical codes and regulations to ensure compliance.
To calculate the amperage, you need to know the resistance in the circuit. Amperage is calculated using Ohm's Law: Amperage (A) = Voltage (V) / Resistance (R). Without knowing the resistance, we cannot determine the amperage.
How many volts can you draw off of a 15amp breaker?
It's the amps that are controlled by the breaker not the volts. You can have a 600 volt 15 amp breaker, you can have a 347 volt 15 amp breaker. The breaker will trip when you exceed 15 AMPS.
How many amps times volts equals 13.75 watts?
To find the current in amps, we can rearrange the formula for power: Power (W) = Current (A) x Voltage (V). Given 13.75 watts, if the voltage is 5V, then the current would be 2.75A (13.75 watts / 5 volts).
