rcd discrimination, funny example

[jeffelectric]

Working on a big house belonging to a boss of a billion £ building company
There is a dual rcd in the house feeding a dual rcd in the poolroom ,my boss said to provide two double sockets for the builders/site and gives us 2 rcd sockets, now we have 3 rcds in series. The site foreman goes to the socket presses the test button on the rcd and it trips the rcd in the house. DOH
Why won't my boss just listen and select rcds to provide discrimination?

 

[Darkwood]

Explain how you would provide discrimination between rcd's in your mentioned domestic set up and ill tell you where both your boss is wrong for this set up and why your answer will most likely be wrong.

 

[Zebra Stripe]

Hey Jeff, you seem to be obsessed with bosses, perhaps you should cut loose and say "down with bosses" and I'll join in saying "down with that sort of thing".....Christ its the 21st century and you still have a boss?? do you wear leg irons by any chance, weird!!!!

 

[jeffelectric]

As the feed to pool room is swa, just come off a mcb not on rcd, or I read to put a s type rcd up front to provide discrimination.

 

[Darkwood]

Ok your on the ball usually sub main rcd's are in for a reason as you have swa then forget up front rcd to the swa absolutely no need.... maybe you should be the boss and kick his boss/apprentice butt down the road