Upgrade your electrical Fusebox to the latest 18th Edition.
Two main types of fusebox, a split box gives you twin RCD main switch, each one controlling a set of fuses.
OR
High integrity RCCBO unit which gives each circuit on your board with its own RCD.
Both units incorporate an SPD for electrical shock protection.
RCD and RCCBO fuses are type A for the modern home.
Vehicle car charging units installed.
Upgrading your mains Fusebox will entail checking all the circuits installed and let you know whether rewiring is required on any part of the system.
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