Answer / sunil ulange hit

Bus Bar current rating is calculated Depending upon cros
section area, Lenth, Voltage

Answer / virrendra

Bus Bar current rating is based on amount of Current to be
carry. The current carring capacity is 1A / Sq.mm & 1.6A/
sq.mm for Aluminum & copper respectively.

Ex if the 200 Amp load is required to be carry then the (20
x 10 MM ) Aluminum strip is required & the same way (25 x
5 MM ) copper strip is Required.

ofcource the length is also play a little part in this

Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

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