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Old 01-20-2010, 08:12 AM   #1
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Default Earthing check within an office ring main

I am new to PAT testing and have purchased a fluke 6500 PAT from Uk with cal cert. It is for use in our office in Saudi Arabia. On initial plug in of the tester the fault code #77 came up earthing missing from supply socket. I have tried the Fluke 6500 in a few socket outlets with the same message. It will not let me go any further and will not go into the self test to idle screen.

I would assume because this is a new Fluke 6500 with calibration cert that the unit is OK and the earth connection within the UK floor sockets is faulty.

Building contractor has been back in and looked at a few of the socket outlets and said there is earth! I think looking at the standards of office wiring they may meen its physically present but might not be connected to anything.

I would like to know what the correct test would be to confirm the earth within this office instalation.

I am trying to PAT test our new UK purchased equipment but at the present time not getting very far.

If the earth connections within the ring main instaltion are bad this is something the contrcator will need to sort out. Easier said than done. I want to be very clear on the fault found. What method would be the most appropriate for the earth testing.
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