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SPD arrangement

lyledunn
24e119d041831991ba57ac52261a5c57-huge-e2f7a6a0-5147-4eb4-b505-80e94f626124.jpg
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    The time it takes the pulse to go 15 metres, realise there is a short at the far end and come back again  is 'long' compared to the rising edge of the transient.

    In the time that is happening a large voltage can exist between N and E.

    Do not wait, fit the blue link.

    mike.
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    The time it takes the pulse to go 15 metres, realise there is a short at the far end and come back again  is 'long' compared to the rising edge of the transient.

    In the time that is happening a large voltage can exist between N and E.

    Do not wait, fit the blue link.

    mike.
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