Megger Testing

You can Megger anything when not connected to your PLC. Keep that Megger far away from electronics. Semiconductors don't like to be fried or overstressed with your Megger. Even the full electronic Meggers will put your circuits to risk. If you have isolation concerns, use a high (impedance) resistance Ohm meter with limited output voltage on your highest Mohm scale, and overrange display is also ok. (digits flashing)

Yes, you can megger test; but do not forget to through the panel in to the sea after test completion!

I prefer recycling

There you have it, do not test anything electronic

but I guess you want to test the other parts of the panel that are not electronic?

If you do , then see if you can isolate or even better remove the PLC from the panel. However I can only wonder why you'd want to megger a panel, if you are trying to test the cables, then disconnect before testing, if its the contactors, they don't really need to be tested.

So think about what you want to achieve and don't just test for the hell of it, you might break something you can't fix.

Megger the cables, sure, if it seems worthwhile or is required by local standards. Make sure they are disconnected from the panel before so doing.

DO NOT MEGGER THE PANEL!

I suggest dont megger the panel :) but insulation test it

In reply to Guest answer No6,

the word "Megger" is a trade name, but has been used over the years as a way of saying, "let's test the insulation". The correct descriptive name is "insulation tester" for any "MAKE" of tester. It was Avo that called their first tester a "Megger" .

When you "Megger" anything you are testing the insulation, so its one in the same thing. Thought you'd like to know.

BUT..... ALL the previous comments still stand....DO NOT test the PLC/Panel without first isolating or removing the electronics, be safe not sorry!