Home Electrical Safety

One of the most important safety devices in your home is a simple electrical device called a Residual Current Device (RCD), Estimates indicate that the installation of RCD's and Ground Fault Interrupters (GFCI) in the USA, have saved hundreds of lives and prevented thousands of injuries in the UK,and US in the past 30 years.

RCD'S or GFCIs are designed to provide protection against electrical shock from ground faults, or leakage currents, which occur when the electrical current flows outside of the circuit conductors. If a person becomes part of a path for leakage current, he or she will be severely shocked or electrocuted.

If GFCIs and RCDs were installed in every U.S. and UK homes, experts suggest that nearly 70 percent of the approximately 450 electrocutions that occur each year in the home could be prevented.

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[scorp1035]

I have already answered that one as someone else has pointed that out, yes it does stand for current , and I knew that before I made the video, a typing error, but as it is also a circuit device, I continued with it, rather than deleting it ! It would take a lot of work changing it, if it was that important I would have changed it , or deleted it, but I think it still shows the usefulness of an RCD, and at lest it gets people talking about safety! but I'm glad you think it's informative, thanks

[scorp1035]

The most important point is that non technical people, know what this device does, the name RCD a silly name because a lot of people don't know the difference between a RCD or a MCB apart from electrician/engineers. there are other names you could use, Earth leakage Trip, (comes from the old voltage trip device) Ground fault circuit interrupter, from USA and so on, but it really doesn't matter as long as one knows what it does!

[HappyDiscoDeath]

240 volts AC is serious stuff

[scorp1035]

@HappyDiscoDeath

All voltages should be taken seriously even as low as 50 volts and under. a 12 volt car battery can kill or burn!

[alangbrooke]

Having just watched the video clip I must say that as an electrical contractor with over 45 years experience I find it highly informative and commendable. However, towards the end you describe an RCD as a Residual Circuit Device, whereas the correct namr for it is a Residual CURRENT Device. I don't mean to be picky, but there is a big difference between the two. Perhaps you could make an amendment at some time soon? I see similar comments have already been posted, so it's not just me.

[scorp1035]

@pauloz386 We now are tied up in Brown,blue, grey, and black tape, since they changed our colour system,

silly having black for a phase conductor when it was a neutral colour, it would have been better to have numbers 1,2,3,and N so that colur blind people could read the coding.and identify with ease what cores were which!

[scorp1035]

Yes I would be delighted if you did, thanks for your interest in the video

[sulemark]

may i embed this video on my electrical contracting site?

[scorp1035]

Thanks Jim, yes you are right it doesn't stop getting a shock but should stop it being a fatal one if its direct contact, but it does stop a shock if its indirect contact as the circuit would have tripped!

[jimstestandtagnz]

Hey nice work Only thing that people somethings forget thou is that RCDs do not stop you from receiving an electric shock, it only limits the time you are exposed to the current.