DB31/T 812-2014 Safety verification regulations governing electrical installations supplied with low-voltage

GB/T 16895.18-2010 Electrical installations of buildings—Part 5-51:Selection and erection of electrical equipment—Common rules GB/T 16895.23-2012 Low-voltage electrical installations—Part 6:Verification GB/T 17949.1-2000 Guide for measuring earth resistivity,ground impedance and earth surface potentials of a ground system—Part 1:Normal measurements GB/T 18216.4-2012 Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 4:Resistance of earth connection and equipotential bonding GB/T 24342-2009 Electrical equipment of industrial machines—Continuity of the protective bonding circuit test specifications GB 50054-2011 Code for design of low voltage electrical installations GB 50169-2006 DGJ08-20-2007(2011年版) DGJ08-93-2002 DGJ08-100-2003