PrimeTest 250 plus

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PrimeTest 250 plus

Postby Bigaki » Tue Jun 20, 2017 10:00 pm

Good evening,

Any advice would be great.

When I test a 110v 16a lead it fails the polarity test. I know that it is wired correctly as I have checked both male/female ends.

Has anyone got an answer as to how I can over this.
Last edited by Bigaki on Wed Jun 21, 2017 6:02 pm, edited 1 time in total.
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Re: PrimeTest 250 plus

Postby Overgiver » Wed Jun 21, 2017 8:29 am

Have you checked to make sure that your test leads that you use to plug into the tester, to allow you to test the extension lead are wired correctly, Do a test on the test leads first to see if they pass.
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Re: PrimeTest 250 plus

Postby Bigaki » Wed Jun 21, 2017 5:57 pm

Problem sorted. When I opened the plug female end of the 110v test lead I noticed that the wiring was different to what it should be. It was wired earth to earth, neutral to neutral and then it was linked from neutral to live. I had a spare test lead and that was wired the same, so I wired that one correctly and done a test which worked perfectly and solved the issue. My only concern is why would both test leads be wired with a link form neutral to live!!!
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Re: PrimeTest 250 plus

Postby Alan Freeman » Wed Jun 21, 2017 6:16 pm

Pound to a pinch that was done to stop inadvertently powering up the 110v equipment with 240v when the tester is wrongly set to a 240v class 1 or 2 test - not the 110v tests which do not power up the equipment under test.

The only tests done with 110v class 1 is earth continuity and insulation. 240v tests add leakage tests to these.

You didn't say what the polarity test result was - I guess "Short".
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Re: PrimeTest 250 plus

Postby Bigaki » Wed Jun 21, 2017 7:10 pm

Your right Alan it did give me a 'short' message. But before I changed the wiring it was always failing the polarity test. Now it works fine. I don't have 240v mains running when I do the 110v 16a lead test, it's of the battery. As is when I test class 2 110v items.
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