I need some assistance with the following please - my swimming pool DB is fed from the house DB via 2x core + E surfix cable. I have an E/L tester which shows that the plug polarity is correct, however when testing the E/L there is almost zero reading on the analog dial. I have tested the E/L unit in the house DB by testing a plug circuit, all ok. Could it be that the distance between the 2-DB's is to far?

You comments/advice welcomed.

Jacques K