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Recent Posts by Ed Sherman

Shore Power Can Be Lethal

Shore Power Can Be Lethal

Seems like people seem to forget that 120 volts can be lethal. The photo above was sent in by one of my surveyor friends, Dexter Holiday. The photo was taken aboard one of the boats he surveyed recently.  There are several glaring errors with the boat owner installed AC receptacle shown. First, the green screw you can clearly see is Continue Reading »

Spring prep is for the birds…

Spring prep is for the birds…

OK, so this is not one of my usual techno mistake photos, but I just couldn’t resist this one from a surveyor friend down in the Annapolis area, Derek Rhymes. Since the owner of this boat is going to want to apply anti-fouling paint to the inside of this bow thruster tube, this robin’s nest is going to go through Continue Reading »

Battery Isolation Enters a New Age

Our Friends at Blue Sea Systems has raised the bar yet again when it comes to battery isolation with the introduction of a new feature for its already popular ACR devices. The info below describes it all:   Timer Disconnect   ·         12V signal triggers relay to connect battery power to devices ·         When signal is removed the timer is Continue Reading »

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