Deli van

PATGuard 3 Forum

Deli van

Postby Alan Freeman » Mon May 14, 2012 9:57 pm

I was testing a Deli van tonight. When I tested the 32A commando plug on the outside of the van I got 0.1M ohm insulation. The commando is connected to a small consumer unit with an RCD main switch and three MCB's.

Only with the main breaker off did I get >19.99M ohm. Even with all MCB's off and the main breaker on the resistance was 0.1M ohm.

Just confirming I did the right thing in failing the van electrics - or would an RCD breaker make the insulation low?? I don't think so, but just checking!
Alan Freeman
 
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Re: Deli van

Postby safe + sound » Tue May 15, 2012 2:45 pm

Hi Alan

Assuming you are testing L+N to E, I agree this has to be a fail.
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Re: Deli van

Postby PATconstructive » Tue May 15, 2012 3:16 pm

Is there a device/appliance inside the van wired directly to the main breaker, bypassing the mcb's?
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Re: Deli van

Postby Alan Freeman » Tue May 15, 2012 7:12 pm

Not that I could see. 32A commando into consumer unit. The copper bar of main breaker directly to MCB's. Add to that, I could see nothing part shorting to the bar!

The only thing I did think was the weather. This is a van and it had been raining hard all day.
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