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My grandad has moved from his home into a care home due to old age and not being able to look after himself properly, his bungalow does not have any hot water or heating. This is a hypothetical question: The cheapest way to install hot water would be via a water heater, but if you put a...

When RCD testing you test at different values So you'd test at x0.5, x1 and x5 correct? at x 0.5 the rcd should not trip at x 1 the rcd should trip in less the 200ms at x 5 the rcd should trip in less then 40 ms this is from memory as I dont have my osg on me until thursday can...

Can someone confirm to measure zs on a ring final circuit you would split the ring at the consumer unit, put one end in connector block and using a ppropriate meter measure the other end? And the same with r1 + r2, join live to cpc on one end measure the other, then join neutral to cpc and...

Im doing some theory work for college and just want to run a couple of things by you guys if you dont mind:- In Mr. Jones' house I need to add some lighting and power into a new shed, there is an existing shed about 500mm, what I was going to write down was:- The picture shows the existing...

Hi guys I was just wondering what should you bond as good practice and what is a requirement:- This is what I thought should be bonded:- Gas Pipes - Main Bond near meter Water Pipes - Main Bond where it enters building Metal Kitchen Sink - Good practice but not requirement Kitchen...

Sorry to blast you technical guys but wanted to keep this seperate, If you have a 10 way split load board on the rcd side you have:- 3 x 32amp mcb's 1 x 40amp mcp 1 x 20amp mcb On the non rcd side 4 x 10amp mcb's In total Im determing the load to be 196A but the main switch...

Hi Just a little background about me, Im nearly through my first year at college carrying out an electrical apprenticeship, hopefully someone can answer my question for me:- We were meant to be installing some emergency lights in FP200 1.5mm today but when we got to site the inhouse...