In order to make way for the work, there will be a planned power supply interruption which will affect parts of Brakpan, on Sunday May 24, from midnight until 9am.
Brakpan, Langaville and Geluksdal will be affected.
Residents are advised to treat all electrical networks and equipment as electrically alive while replacement work is being carried out.
The EMM wishes to apologise for any inconvenience to be caused.
Also read: Electricity is being replaced by LP gas