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Was meant to say here are the pics... The lamps are a good 25-30 feet up so I'm just going by the spec I was given. They are abut 18 months old and the problem started about 4 months ago. It could be failed control gear but all the lights work and none appear to be failing. It's a dilemma I just...

Here http://i1353.photobucket.com/albums/q679/lukewhiting69/image_zps42d5e699.jpg http://i1353.photobucket.com/albums/q679/lukewhiting69/image_zpsce41a584.jpg http://i1353.photobucket.com/albums/q679/lukewhiting69/image_zpscbbab369.jpg...

I have got some pics i will post them in a bit and show u all the arrangement

63A 30mA and they trip at 25mA 1x 42mS 5x 14.8mS

Ha that's quality

Hi I'm Luke and I'm new Hi I'm Luke and I'm new Hi I'm Luke and I'm new

Apparently the lights are a year old. They changed all the stantions and fittings and switchgear but left existing RCD and cabling to the lighting.

They are all fine at 1stni thought RCD might be on its way out but all fine

I think I have some pics hold on guys ... Done an IR batty and all came back fine even blasted 1000v down it

You got 2 cables per phase coming off the load side of the RCD, they go to there designated terminal on each isolator. So basically u got one side of the pitch (3 poles-9 lamps) on one isolator and one side on the other. 3ph up each pole and obviously each fitting is 230v. It's wired as a...

Hi I have been asked to look at the lighting at my local sports centre. I been to look and the set up is as follows. 3ph supply TN-C-S to a 4 pole 63A RCD, This feeds two isolators that each feed 3 stantions either side of e pitch. The lights are 3x 2KW high pressure sodium lamps per stantion...