Many countries require the use of at least two RCDs these days. In Germany that seems to have caught on but in Austria not quite, the only home box with more than one RCD I've ever seen was mine. And I only did that because it was a really fancy place. The (...)
Posted by renosteinke:
This is an example of where the exact wording of the various codes matters.
Your gas utility will have it's codes posted on the internet. A typical requirement will be that anything that sparks (like a breaker) has to be at least 3 ft (straight line, any angle) from anything that vents gas (...)