The Superlec 4GEXT2MSURGE is a 2 Metre Surge Protected 13A 240V 4 Gang Extension Lead.
Surge protection is designed to protect against any unwanted spikes in voltage by blocking or shorting them when above a safe threshold.
Technical specifications of the 4GEXT2MSURGE are:
Neon indicator for power flow
Surge neon indicator to show that protection is active
Max surge energy – 375 Joules
Max surge current – 13500A
Conforms to BS 1363/A and BS5733/A