Electrical Installation Design Guide Calculations For Electricians And Designers

The book provides step-by-step guidance on the design of electrical installations, from domestic installation final circuit design to fault level calculations for LV systems.
Updated to include the new requirements in Amendment 3 to BS 7671:2008, the Electrical Installation Design Guide reflects important changes to:

• Definitions throughout the Regulations
  
• Earth fault loop impedances for all protective devices
  

Amendment 3 published on 5 January 2015 and comes into effect on 1 July 2015. All new installations from this point must comply with Amendment 3 to BS 7671:2008.

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