The foundation everything depends on.
WHAT EARTHING DOES
Provides a path for fault current, so protective devices operate and people are not electrocuted.
WHY IT MATTERS MOST
It is what makes every other protection work.
WHAT POOR EARTHING PRODUCES
Shocks from equipment casings Protection that does not operate Surge protection that cannot function Unexplained equipment failures
WHAT TO CHECK
That a proper earth electrode exists That its resistance is within specification That it is connected throughout
HOW
Testing by a qualified electrician.
WHY NOT VISUAL INSPECTION
Earthing faults are usually invisible.
WHAT ELSE TO VERIFY
That circuit protection is correctly rated That residual current protection is fitted where required That cabling is sized for its load
WHY CABLE SIZING MATTERS
Undersized cable overheats, which starts fires.
WHAT WARNING SIGNS APPEAR
Warm sockets or switches Discoloured outlets Burning smells Breakers tripping repeatedly
WHAT TO DO ABOUT ANY OF THEM
Stop using the circuit and have it inspected.
WHAT TO ARRANGE PERIODICALLY
An electrical inspection of the premises.
HOW OFTEN
Per the interval a qualified electrician recommends for your type of premises.
WHAT TO KEEP
The inspection report.
WHY
Insurance and liability both depend on it.
WHAT TO NEVER DO
Use unqualified people for electrical work.
