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It is a brilliant device but it concerns me that decision makers tend to look upon RCDs as an alternative to safe methods.

The problem is that so many memebers of the general public also seem to believe that the RCD is some sort of magic device that protects against all known shock hazards, wards off evil electrical spirits, etc. The advertising blurb has done a lot to foster that belief, and there really are those who believe that with an RCD they are totally immune to getting a shock.

Just try getting yourself across phase and neutral and wait for that RCD to protect you. [Linked Image]