3 Lead RCD Test in the Consumer Unit on RCBO's Saving Time During the Live Testing's Process Student training aid for testing an RCBO rated at 30mA using a MFT Megger tester. Includes a full demonstration of how to test the RCBO using 3 leads from with the consumers unit. Note my default position is always 3 lead testing as it’s my preferred method of testing for Earth Fault Loop impedance when RCD protection is present. 2 lead tests can also be carried out for both testing RCDs and circuit Impe

How to Test an RCD (aka Your Life-Saving Switch) Righto — here’s a quick one for ya. An RCD is a safety switch designed to trip if it detects electricity leaking somewhere it shouldn’t like through you. It literally exists to stop you from being electrocuted. So yeah, pretty important. Here’s how to test it: 1. Head to your switchboard: usually in the garage or down the side of your house. 2. Look for the switches with a “Test” button: usually labelled RCD or Safety Switch. They’re often the one

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62 reactions · 40 comments | Don't stretch your luck with extension cords! Make sure you connect your RCD safety switch before you use them outdoors. | WorkSafe New Zealand | Facebook