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Prerequisite for PV string electric shock


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A basic yet important PV string termination question that ought NOT TO BE ATTEMPTED!

QUESTION: Can a person insulated from earth ground safely touch the naked end of a single 600 Vdc PV conductor without getting an electric shock?

I believe one has to come into contact with both the +ve and -ve PV conductors or either one of the two conductors and ground potential to complete a circuit through which current (possibly lethal) may flow. 

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5 hours ago, Kilowatt Power said:

A basic yet important PV string termination question that ought NOT TO BE ATTEMPTED!

QUESTION: Can a person insulated from earth ground safely touch the naked end of a single 600 Vdc PV conductor without getting an electric shock?

I believe one has to come into contact with both the +ve and -ve PV conductors or either one of the two conductors and ground potential to complete a circuit through which current (possibly lethal) may flow. 

Hi Kilowatt

So you can be barefoot and touch either end of say the positive or negative terminal from say a 500V string and nothing will happen to you. 

You have to touch both positive and negative to get an electric shock. The circuit won't be completed with ground and electricity always wants to flow back to its source and that's not ground. 

 

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