Draft updates to BS7671 - Electric Vehicle Charging Installations

[glyn.hudson]

Thanks, I can’t spot any significant changes from the current version. The earthing requirements for EVSE’s are the same.

See this topic for in depth discussion:

OpenEVSE and wiring regs changes (722.531.2.101)

Hi Does the OpenEVSE unit have any residual DC (fault) checks? The latest regs 722.531.2.101 (Jan 2019) requires the use of either a Type B RCD (with built in dc capability/detection) or “RCD Type A and appropriate equipment that provides disconnection of the power supply in case of DC fault current above 6mA”. I’d rather use type A RCDs as they are much cheaper than the rarer and more expensive type B RCDs Type A RCDs will not trip with any levels of AC faults if they are saturated with ev…