Tricks and tips for everyone


What is an RCD plug for?

What is an RCD plug for?

What does an RCD do? An RCD is a sensitive safety device that switches off electricity automatically if there is a fault. An RCD is designed to protect against the risks of electrocution and fire caused by earth faults.

What is non latching RCD?

The RCD is a non-latching type so when power to the RCD is disconnected, due to a power cut or switching off the mains, the RCD will trip & have to be re-set when power returns. Designed with outdoor activities in mind it’s ideal for power tools and garden equipment.

What is a portable RCD?

Portable RCD’s (or Safety Switches) provide added protection when using electrical equipment. RCD’s cut the power supply to the electrical appliance if a current leakage fault is recognised (a current inbalance between active and neutral). They are designed to help prevent electrocution.

Do I need an RCD plug?

It is essential to ensure that any extension lead used outside is protected by an RCD. We would always recommend having an RCD as part of the extension lead unless it is 15m or shorter and you are absolutely certain that any sockets to which it will be connected are already RCD protected.

Are plug in RCD safe?

It’s a safety device – every household should have one! RCDs offer excellent protection in damp areas of your home where there are electric fittings, and when working with electrical.

What is the difference between latching and non latching RCD?

The latching type are designed for things like fridges, staying on (like a regular RCD) in a power cut. The non latching type, unlike a normal RCD switch off if the power is cut, so are great for power tools where automatic re-start is undesirable.

What’s the difference between active and passive RCD sockets?

Both will trip if an imbalance is detected between live and neutral (caused by leakage to earth). An active RCD will also drop out in the event of a power failure but a passive RCD will remain switched on.

Where should a portable RCD be fitted?

RCDs are very sensitive and should be installed on your fuseboard to provide the greatest protection. You can also find RCD switches on sockets, as well as on portable devices that can be plugged into standard sockets.

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