ECS - Electrotechnical Certification Scheme Practice Test
ECS Earthing and Bonding 2
What is a 'supplementary bonding conductor' and when is it typically required?
Select your answer
A
A second earth conductor run in parallel with the main earth for redundancy
B
A conductor connecting simultaneously accessible conductive parts in locations such as bathrooms where shock risk is higher
C
The bonding conductor on the main incoming supply
D
A conductor that bonds lightning protection systems to earth
Hint