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Hello all, Please,can someone educate me on the size of cable use in wiring a 5 ton floor split unit air conditioner.Is 60Amps breaker okay for it? And also how to calculate the wattage of it.

Engineering is universal.So i will appreciate response from anywhere.

Pls i would like to know how do i get Electrical Wiring Estimation Softwares.I am into Electrical Installation Design....i need it so i can estimate the length of cables to be used more correctly and much faster .I really look forward to hearing from you guys.Thanks,Ovis

I am to inspect a 300KVA transformer,pls i want my brothers in this forum to educate me more about the features of this transformer. What should i look out for?-how to test if it is in good condition some one help a brother.

@mattylad,tanx.....but is there any rough calculation for that from the house plan?

Good morning all,i am to estimate the amount of wire to use to wire a 4 bedroom flat.how do i estimate the total lenght of wire for live,neutral,and earth for the ring circuit.And that of AC circuit. please any rough method of calculation? please do help a brother. thanks. ovis

@Mikerodent,thank you very much

I will be very happy if anyone could help me with solutions to these questions: #1.to calculate the electrical load of a designed house #2.Criteria use to obtain the service/mains cable Da Ovis,Nigeria