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Electrical Certificate of Compliance (CoC)

The South African Electrical Certificate of Compliance (CoC) is issued by a registered person on completion of electrical installation work — a new installation, an addition or alteration, or ahead of a change of ownership. It certifies that the installation complies with SANS 10142-1 (The Wiring of Premises) and the Electrical Installation Regulations, 2009, and is a legal requirement for every property sale in South Africa. CertBox produces the supporting inspection and test record for that certificate; the CoC itself must be issued by a registered person on the prescribed Annexure 1 form, against a unique number obtained from the chief inspector.

SANS 10142-1 (The Wiring of Premises); Electrical Installation Regulations, 2009 made under the Occupational Health and Safety Act, 1993Valid: No fixed expiry — remains valid unless further electrical work is carried out on the installation

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Sample Electrical CoC certificate

Sample Electrical Certificate of Compliance (CoC) certificate created with CertBox, showing the professional PDF layout with installation address, client details, and reason for coc (new installation, addition/alteration, or change of ownership), earthing system (tn-c-s, tn-s, tt) and supply characteristics, distribution board make, type, and main switch rating

Sample Electrical CoC with fictional data. All personal details shown are fake.

What it covers

Installation address, client details, and reason for CoC (new installation, addition/alteration, or change of ownership)
Earthing system (TN-C-S, TN-S, TT) and supply characteristics
Distribution board make, type, and main switch rating
Earth leakage unit (ELU/RCD) trip and sustain test results
Circuit schedule with cable sizes, protective devices, insulation resistance, earth continuity, and polarity
Registered person's name, registration number, and signature

Who needs a Electrical CoC?

Registered persons (electricians) carrying out installation work

Conveyancers and property sellers needing a CoC for transfer

Landlords and homeowners after electrical additions or alterations

Electrical contractors registered with the Department of Employment and Labour

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Frequently asked questions about Electrical CoC

Who can issue an Electrical Certificate of Compliance in South Africa?

Only a "registered person" — an electrician registered with the Department of Employment and Labour under the Electrical Installation Regulations, 2009 — may legally issue a CoC. A builder, plumber, or unregistered electrician cannot issue one, even if they carried out the work.

Do I need a new CoC every time I sell my house?

Yes. An Electrical CoC is a mandatory legal document for every property transfer in South Africa — the sale cannot be finalised without a valid one covering the property's electrical installation, generally accepted by conveyancers if issued within the last two years and no further work has since been done.

Does a CoC expire?

A CoC itself does not carry a fixed expiry date in SANS 10142-1 — it remains a valid record of the installation at the time of issue unless the installation is subsequently modified, altered, or repaired, at which point a new CoC (or supplement) is required.

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