Electricians in Clapton

Drilled through power line in wall with small diameter drill. Line still carries current but insulation is damaged. Plaster and mortar removed and conduit opened to expose line, there is a hole though it although clearly not severing the wire
Tower Hamlets Electrical Fault-finding

Fuse for the sockets in the kitchen won't switch back after it's tripped.
Mitcham Electrical Fault-finding