What is an RCD?

An RCD is commonly referred to as a safety switch. RCD testing is the compliance testing of a Residual Current Device that is a sensitive life-saving component of your electrical board, which is designed to prevent you from getting a fatal electric shock if you touch something live, such as a bare wire or from a faulty electrical appliance. It also provides protection from electrical fires. RCD’s offer a level of protection and reassurance that ordinary fuses and circuit breakers cannot. 

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How It Works.

To test these in your home or office, our electrician will use an RCD testing device to measure the exact time and amperage your RCD takes to trip. This testing device is a precision instrument and will record the reading in milliseconds and milliamps. If your device does not meet the maximum trip time it fails the test and we can perform any rectification or works required to comply.

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What you need to know about RCD Testing

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RCD tripping will occur when a neutral or earth fault is identified by the switch when the circuit output current is different to the return current.
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If the RCD continually trips (or intermittently trips) this indicates a fault somewhere in the circuit which must be located and rectified for safety reasons.
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Faulty electronics, equipment, and wiring can put people at risk of electrocution, electrical burns, and injuries or property damage due to fire.
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An RCD could save your life in the event of an earth fault. It acts by ensuring the electrical current is cut off if there's any current leaking through a faulty appliance.
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If your RCD trips and you cannot reset it, or after resetting it trips again, you may have a faulty device and it will need to be checked by a licensed electrician.
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Your RCD should be tested regularly and according to the Australian & New Zealand standards.

RCD Testing FAQ's

  • What is RCD Testing?

    RCD (Residual Current Device) testing is a process to ensure the safety of electrical systems and equipment in Australia. It measures the amount of current that is flowing through an electrical circuit and quickly cuts off power if a dangerous situation is detected, such as an electrical shock or a fire hazard.

  • What is the purpose of RCD Testing?

    The purpose of RCD testing is to reduce the risk of electrical shock, electrocution and fires in homes, workplaces, and public areas. RCD testing helps to detect any faults or defects in electrical systems that may compromise safety.

  • Is RCD Testing mandatory in Australia?

    es, RCD testing is mandatory in Australia for all electrical systems and equipment in homes, workplaces, and public areas. According to the Australian Standard AS/NZS 3760:2010, RCD testing must be performed at least every 10 years or after any significant changes to an electrical system.

  • Who is responsible for RCD Testing?

    The owner of the property, business or equipment is responsible for ensuring that RCD testing is performed by a qualified electrician. It is also the responsibility of the electrician to certify that the RCD test has been conducted in accordance with the Australian Standard.

  • What happens if RCD Testing is not performed?

    If RCD testing is not performed, the owner of the property or equipment may be liable for any electrical incidents that occur as a result. In addition, insurance companies may refuse to pay out in the event of an electrical incident if RCD testing has not been performed.

  • How is RCD Testing performed?

    RCD testing is performed by a qualified electrician using specialized equipment to measure the current flowing through the electrical circuit. The electrician will test the RCD by simulating a fault condition and measuring the response time of the RCD. If the RCD does not operate within the specified time, it may need to be replaced.

  • How often should RCD Testing be performed?

    In New South Wales, RCD testing must be performed at least every 12 months, or after any significant changes to an electrical system, in accordance with the Australian Standard AS/NZS 3760:2010.

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