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Because the cable has capacitance, and an AC source would not be able to distinguish between capacitance and leakage.

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15y ago

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Why is AC meggering not used?

You do not use AC to megger a device, because the purpose of meggering is to measure the insulation resistance of the device. You use DC to do that. If you used AC, you would be unable to differentiate between insulation leakage and capacitance.


Can you use ac supply for cable meggering?

No. The cable has capacitance, and an AC source would not be able to distinguish between capacitance and leakage.


Megger testing is done with DC or AC votage?

Earth testing results should be related to the voltage source, i.e., AC in most situations. AC reacts to resistive and reactive loads, DC to resistive loads only. Not all earth testers, however, use AC.


What is the output voltage of megger is it ac or DC?

megger are available in ac &dc


What cable would you use in a camper van to add a bathroom extractor fan?

use a cable that is specified on the fan AC OR DC


Can AC cable use for DC motor?

Yes, what matters is that the cable can take the correct voltage, and is thick enough to carry the required current, but ac or dc makes no difference.


Why you use DC in megger?

There are different types of megger, which is simply a trade name for a range of different instruments. Not all meggers use d.c., for example, an earth-resistance megger uses a.c. On the other hand, an insulation-resistance megger uses d.c. because it applies a constant test voltage across the insulation being tested.


What is the difference between Type AC Cable and Type ACT cable?

ACT has thermoplastic insulated wires. AC is old MC is the modern cable.


What is the difference between in ac and dc powwer cable?

There is no difference in the cables. The only difference is the type of electrical power being transmitted. AC or DC applications use the same wires.


Can you use same copper cable for both AC?

...and DC? yes. The voltage rating may change, though.


In a Zune2GB can you use the usb cable as its charger as you would in an iPod Or do you have to buy a Zune charger?

Yes you can use the iPod Charger or any usb to ac


What is the maximum voltage rating for AC-90 armoured cable?

The maximum voltage rating for AC-90 armored cable is typically 600 volts. This type of cable is designed for use in various applications, including building wiring and power distribution, and is suitable for both indoor and outdoor installations. It's important to ensure that the cable is used in accordance with local electrical codes and standards.

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