I have just had it confirmed from the manufacturer that the EVSE we are installing does not need overvoltage protection. The installation does need such protection on the basis of the risk assessment method. If I elect to install a SPD, for what reason would I be doing so?
The EVSE may not need overvoltage protection ... but does the vehicle, or perhaps any vehicle that might use the charge point?
In general, it depends on the type of installation, whether the installation has LPS (see sections 6.15 and 8.8 of IET CoP 4th Ed) and whether you've converted the whole installation to TT (see section 5.3.3 of the CoP 4th Ed).
The EVSE may not need overvoltage protection ... but does the vehicle, or perhaps any vehicle that might use the charge point?
In general, it depends on the type of installation, whether the installation has LPS (see sections 6.15 and 8.8 of IET CoP 4th Ed) and whether you've converted the whole installation to TT (see section 5.3.3 of the CoP 4th Ed).
