Question: Would it be OK to replace the fuse board in an existing domestic installation with a distribution board with a 60 A / 30 mA earth leakage main switch? Answer: Ideally, all fuse boards should be replaced with DBs. However, despite fuses not being permitted in new domestic installations, they may be used in existing installations, provided that this is not contrary to reasonable safety. This would provide the required overcurrent protection and correct labelling… (more)

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