The Electrical Certificate of Compliance Problem Hiding Behind Cape Town’s Inverters

Most of the inverters in Cape Town went in between 2022 and 2023, in a hurry, while the load shedding schedule was running everyone’s life. If yours was one of them, somebody wired it in, took payment and left, and the one document the law required was quite possibly never issued.

That document is the Electrical Certificate of Compliance (CoC), and you’ll be asked for it the day you sell the house or claim from insurance. Better to find out now what the law says an inverter did to your old certificate, what you’re holding in that drawer, and what a fix takes in time and money.

Do You Need a New CoC for an Inverter?

Yes. The Electrical Installation Regulations require a CoC for any alteration to an electrical installation, and an inverter wired into your distribution board is an alteration. So are solar panels. Your original certificate describes the house as it stood on the day it was issued, and every wire added since sits outside it.

The same regulations decide when the gap catches you:

  • When you sell: a property can’t change ownership on a certificate older than two years, and the conveyancer holds the transfer until a valid one arrives.
  • When you claim: after a fire or an electrical fault, insurers ask for the certificate before they pay, and estate group RE/MAX has warned that a missing one can sink the claim.
  • When the City checks: homes on City of Cape Town supply also need written council permission before a solar system goes in.

The CoC You Should Be Holding

Only if it was issued after the inverter went in. A legal install leaves two documents behind, the one-page certificate and the test report under it, both signed and numbered by the electrician who did the work. If the drawer holds a quote, an invoice and a user manual, you’re holding nothing.

  • Check the date: a certificate from before the inverter covers the old installation. The inverter needs its own.
  • Check the signature: only an electrician registered with the Department of Employment and Labour can issue a CoC, and a registered electrician will show you that registration without a fuss.

The Cost of Putting It Right

The bill splits into two parts, and only one of them is fixed:

  • Inspection and certificate: R850 to R1,500 on a typical Cape Town home, with sign-offs on solar and inverter installations starting closer to R1,500. The inspection takes an hour or two for most houses.
  • Repairs, if the inspection finds any: quoted before anything gets fixed, so the decision stays yours. Small faults are cheap to sort. A hacked-together DB board is a bigger job, and it was always going to be.

Where the original installer worked to SANS 10142-1, there’s nothing in the second column and the Electrical Certificate of Compliance follows the inspection. Cut corners are common on jobs done at the height of load shedding, when every installer in Cape Town was booked out and some were barely installers. Either way the process ends with a certificate in your hand, and if a transfer is already moving, say so when you call.

The Cheapest This Problem Will Ever Be

Right now it’s an inspection fee and an afternoon. Caught mid-transfer, it becomes a stalled registration with a buyer waiting on the other end. Caught after a fire, it’s the reason an insurer walks away.

W.G Dixon has been wiring Cape Town since 1952, and our registered electricians handle the whole Electrical Certificate of Compliance job, the inspection, any repairs and the certificate at the end. 

Get your free quote from W.G Dixon