United Arab Emirates how to choice bus bar ratings in LV panel in switch gears and sharjah,dubai,abu dhabi

How to choice bus bar ratings in Sharjah,Dubai and Abu Dhabi in UAE.generally busbar sizes.how to calculate busbar in UAE switch gears what a manipulation factors to choice busbar in Sharjah,dubai and Abu Dhabi.The amps ratings based to choice busbar in UAE..

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