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The CEC and NEC both cover this in the electrical code of the particular country.

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What ia Standard of dc loop resistance of copper cable?

It depends on the length of th cable and the diameter of the copper cable used.


What is the british standard for xlpe cable?

Xple500 cable900 x 300b2


What are the causes of derating of cables?

1. We consider cable de-rating factor, because the method of laying of cable either in air, duct or trench, affect the current carrying capacity as dissipation of heat in air is more than in duct or trench. Now the factors that causes derating are 1. ambient temperature (this is the average temperature of the plant). If surrounding temperature is higher than cable temperature at which it is designed then that increase the resistance of cable conductor which decreases the current 2. Number of cables in cable tray either they are touching each other or at a distance. If cables are touching each other, they created dielectric field around them which in case of touching causes interference with one another that causes resistance to increase. 3. No. of cable trays in a tier.


How do you turn a 3 phase motor in to a generator?

We can convert a 3 phase ac motor into generator by changing phase sequence of the ac input cable of that motor


What is the capacity of a 35mm2 cable?

Current carrying capacity is different for aluminum from that of copper cable. Under different conditions like, type of insulation, number of conductors, in conduit, underground, in air, single or multilayer, system voltage, the current carrying capacity varies a bit. Hence You must refer a standard chart from a reputed cable company.

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When jumping a car, the correct sequence is to connect the red cable first, then the black cable.


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Cat5 is the standard.


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What is the cable that connects two hubs?

You Use a standard port on one device, and an unlink port on the other. after that connecte the standard Cat5 cable.