TY - BOOK AU - Hemant Joshi TI - Residential commercial and industrial electrical systems - Vol.3 : protection, testing and commissioning SN - 70620989 CY - New Delhi KW - Earthing systems and Equipments KW - Electrical systems(Residential,Commercial and Industrial) Design KW - Lightning protection -- Electrical systems KW - Power protection systems KW - Protection System KW - Protective relays KW - Testing and Commissioning Electrical systems N1 - Includes index ER -