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Recent Posts by Ed Sherman

Hubbell Helps Solve Isolation Transformer Dilemma

Hubbell Helps Solve Isolation Transformer Dilemma

Well I’m just back from the annual IBEX show in Tampa Florida and have some good news for those installers and boat builders that use shore power isolation transformers. Last January our industry was a bit stunned when the long time supplier, Charles Industries dropped its marine products line, all rather suddenly and without much notice to its customers by Continue Reading »

LED’s Cause Radio Frequency Interference

LED’s Cause Radio Frequency Interference

Recently I’ve been getting a lot of queries about whether of not marine LED lighting systems can be the cause for radio frequency interference, more commonly known simply as RFI. The short answer is yes these LED systems can indeed be a source for RFI. That said, this requires a bit of further explanation. In my book Advanced Marine Electrics Continue Reading »

Our friends over at Hubbell have just introduced an inexpensive solution for older boats not equipped with ELCI devices to shut down the shore power to a boat that has some excessive ground fault leakage issues on board. Although this new circuit checker won’t actually shut anything down, and it doesn’t specifically identify ground faults from equipment installed on board, Continue Reading »

Yanmar Provides LION Battery Bulletin

Yanmar Provides LION Battery Bulletin

It seems that our friends at Yanmar may have been having some issues with some customers swapping out the batteries on their boats for lithium ion units. It is imperative to note that there is a LOT more to do with your boat when switching to lithium technology than merely swapping out the batteries. A proper BMS (battery management system) Continue Reading »

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