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قسم الانشاءات الكهربية
(https://www.ieees.com/f-19/)
Guide to the Wiring Regulations_17th Edition IEE Wiring Regulations (BS 7671 2008)
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Guide to the Wiring Regulati**s_17th Editi** IEE Wiring Regulati**s (BS 7671 2008)
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