Electrical CoC Inspection Checklist for South African Electricians

1. General Inspection

• ☐ Supply authority seal intact, where applicable
• ☐ Installation appears safe and free from visible defects
• ☐ No exposed live conductors
• ☐ Correct voltage supply
• ☐ Main switch accessible and correctly rated
• ☐ Installation adequately protected against mechanical damage
• ☐ Warning labels present where required
• ☐ No signs of overheating or burning

2. Distribution Board (DB)

• ☐ DB cover fitted and secure
• ☐ All openings sealed
• ☐ Main switch identified
• ☐ Circuit breakers correctly rated
• ☐ Circuit breakers securely mounted
• ☐ Neutral bar correctly installed
• ☐ Earth bar correctly installed
• ☐ No double lugging unless manufacturer permits
• ☐ Circuits clearly labelled
• ☐ Legend schedule completed
• ☐ Surge protection installed where required
• ☐ Earth leakage protection installed
• ☐ Earth leakage test button functional

3. Earthing and Bonding

• ☐ Main earth conductor present
• ☐ Earth electrode connection secure
• ☐ Earth continuity conductor correctly sized
• ☐ Water pipes bonded
• ☐ Metal waste pipes bonded where required
• ☐ Structural steel bonded where applicable
• ☐ Geyser bonded
• ☐ All exposed conductive parts earthed
• ☐ Earth continuity verified throughout installation

4. Socket Outlets

• ☐ Socket outlets securely mounted
• ☐ Correct polarity
• ☐ Earth present and connected
• ☐ No cracked or damaged sockets
• ☐ Socket height compliant where applicable
• ☐ Weatherproof sockets installed outdoors
• ☐ Socket circuits correctly protected

5. Lighting Circuits

• ☐ Light fittings secure
• ☐ No exposed live parts
• ☐ Correct switching arrangement
• ☐ Metal fittings earthed
• ☐ Ceiling roses and junction boxes fitted correctly
• ☐ Outdoor lighting suitably rated

6. Geyser Installation

• ☐ Isolator within required distance
• ☐ Isolator correctly labelled
• ☐ Earth continuity present
• ☐ Bonding completed
• ☐ Wiring correctly sized
• ☐ Drip tray installed, where required
• ☐ Thermostat and element cover fitted

7. Stove and Oven Circuits

• ☐ Dedicated circuit installed
• ☐ Correct cable size
• ☐ Isolator accessible
• ☐ Earth continuity verified
• ☐ Protection device correctly rated

8. Fixed Appliances

• ☐ Air conditioners correctly isolated
• ☐ Pool pumps correctly isolated
• ☐ Gate motors safely supplied
• ☐ Borehole pumps protected
• ☐ Appliances earthed

9. Outdoor Installations

• ☐ Weatherproof enclosures used
• ☐ Correct IP rating
• ☐ Outdoor wiring protected
• ☐ Garden lighting safe
• ☐ Pool installations comply with regulations

10. Mandatory Test Results

These tests form part of the inspection and test report required before issuing a CoC.

Continuity

• ☐ Earth continuity conductors tested
• ☐ Bonding continuity tested

Insulation Resistance

• ☐ Line to Neutral tested
• ☐ Line to Earth tested
• ☐ Neutral to Earth tested

Polarity

• ☐ Polarity verified at all points

Earth Leakage

• ☐ Trip operation verified
• ☐ Trip time acceptable

Earth Loop Impedance

• ☐ Measured where required
• ☐ Fault protection verified

Voltage and Fault Current

• ☐ Supply voltage recorded
• ☐ Prospective short-circuit current measured or calculated
• ☐ Earth electrode resistance recorded where applicable

Common Reasons Properties Fail a CoC

• ☐ Unlabelled DB board
• ☐ No earth leakage protection
• ☐ Missing earth conductors
• ☐ Open joints in roof spaces
• ☐ Incorrect geyser isolators
• ☐ Socket outlets with reverse polarity
• ☐ Broken light fittings
• ☐ Missing bonding on water pipes or geysers
• ☐ Undersized conductors
• ☐ Damaged extension wiring used as fixed wiring
• ☐ Non-compliant solar or inverter connections

Final Documentation

• ☐ Complete inspection report
• ☐ Complete test report
• ☐ Record all DB test results
• ☐ Record earth continuity values
• ☐ Record insulation resistance values
• ☐ Complete CoC form
• ☐ Attach supplementary test sheets if required
• ☐ Sign and date as Registered Person