Month: March 2017

Appendix 3: BS7671 (2015) RCDs From Table 3A Time / Current RCDs ‘disconnection times’ Non-delay: Residual current of 1 x its rating = 300ms max Residual current of 2 x its rating = 150ms max Residual current of 5 x its rating = 40ms max Delay ‘S’: Residual current of 1 x its rating = … Read more