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1.
When two cables are in the same cable tray the current carrying capacity reduces for both cables
2.
A transformer could has more than KVA rating depending on its cooling method
3.
Fuses are protection devices which are used for overcurrent protection
4.
3 single phase transformers could be connected together to form one 3 phase transformer
5.
Miniature CB with 30 A current carrying capacity is sutable for a motor with 35A rated current
