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The larger the number of the wire, the smaller the amperage that it can carry using the AWG wire identification system.
In the electrical trade the smallest building conductor that can be used is a #14 copper conductor with an insulation rating of 90 degrees C and is rated at 15 amps.
The largest building conductors that can be used is a 200 MCM copper conductor with an insulation rating of 90 degrees C and is rated at 750 amps.
The above ratings are for allowable ampacities for not more than three copper conductors in raceway. For amperages higher than 750 amps the conductors then become paralleled, tripled and quadrupled.
There are other ratings for conductors such as free air rating (question for another day) but these are the ones used by electricians on a daily basis
What else can I help you with?
Why insulation is needed on current carrying conductors?
To prevent the wire from getting short circuited to ground or even to other wires.
A break in the wires of an electric current will the circuit and the current?
A break in the wires of an electric current will break or cut the circuit and stop the current from flowing.
Is the neutral conductor of a two wire single phase circuit considered a current carrying conductor?
Sure. In a two-wire circuit, both wires carry equal currents.
Does a GFCI give over-current protection?
GFCI stands for ground fault circuit interruptor. It inherently works by detecting ground current; when ground current is detected above a low threshold, the GFCI will trip. Some GFCIs also may provide phase overcurrent protection (such as the two phase wires being shorted together) as well. *************************************************************** It is a differential current detector. The line (or live, phase or hot) and the neutral wires of an a.c. supply should both be carrying the same value of current. (The current comes from the generator and goes to the load through the line and neutral wires and goes back to the generator.) If there is a difference in the in the two wires, it can only be because there is a fault which has allowed some current to flow to Earth ("ground"). As long as the two currents are equal, the interruptor stays closed. Once an imbalance is detected, the interruptor operates and disconnects the supply.
How do you wire a 220v dryer to run on 110?
You can't. A 220 volt dryer requires 220 volts in order to operate properly. It will not run on 110 volts.
What kind of fields are produced by current-carrying wires?
Current-carrying wires produce magnetic fields.
What affects a wires electron flow?
The size of the conductor is in direct relation ship to its rating capacity of carrying a current. The larger the diameter of the conductor the larger the amperage rating capacity of the conductor.
What happens to the current in a wire as its diameter decreases?
As the diameter of a wire decreases, the current-carrying capacity also decreases due to increased resistance. This can lead to overheating of the wire and potential failure if the current exceeds the wire's new lower capacity. It is important to properly size wires to handle the intended current to prevent safety hazards.
What information can be found in the wires in conduit chart?
The wires in conduit chart provides information on the types and sizes of wires that can be safely installed in different types of conduit. It includes details on wire gauge, insulation type, and maximum current-carrying capacity for each wire size.
What is the relationship between the magnetic field and the distance between two parallel wires carrying current?
The magnetic field between two parallel wires carrying current is directly proportional to the distance between the wires. As the distance increases, the magnetic field strength decreases.
What is a current-carrying coil of wires with many loops?
solenoid
Why are two current carrying wires able to attract each other?
When two current-carrying wires are placed close to each other, they generate magnetic fields around them. These magnetic fields interact with each other, causing the wires to attract each other due to the Lorentz force. The direction of the force depends on the direction of the current flow in the wires.
Why dont phase and neutral exchange?
Phase wires are "hot" wires and are the current-carrying conductors. (These are the wires that will shock you if you touch them.). The neutral wire is basically there to carry the electricity back to the source. It is not normally considered current-carrying. If you switch these two wires, you might energize the metal of equipment, causing a dangerous shock hazard.
What is the force between two infinite, parallel wires carrying current when they are placed in close proximity to each other?
The force between two infinite, parallel wires carrying current when placed close to each other is known as the magnetic force. This force is attractive or repulsive depending on the direction of the currents in the wires.
How do you calculate current capacity of wire?
Current capacities of wires are normally not calculated. An electrician would normally refer to the allowable ampacities of wires in the (2011) NEC Table 310.15(B)(series) and 310.60(C)(series). Ampacity ratings are provided for a number of situations. If you want to use that math used to derive the figures for the tables... The current carrying capacity (in amps): I = 106 x D2/700 (cross-sectional area is 700 mils per amp)
What happens to two parallel wires carrying electric current in opposite directions?
repel each other
What is the force between two perpendicular current carrying wires?
The force between two perpendicular current carrying wires is zero, as the magnetic field produced by each wire acts perpendicular to the other wire's current. As a result, there is no component of the magnetic force that can act along the direction of the wires.
