As per South African National Standards (SANS) and the International Electrotechnical Commission (IEC).

• SANS 1063:2010 - Earth Rod, Couplers and Connectors.
• SANS 10199:2010 – Design and Installations.
• IEC 62305 3 – Protection against Lightning part 3: Physical damage to Structures and Life Hazards.
• IEC 62395 4 – Protection against Lightning part 4: Electrical Systems within Structures.