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Old 10-20-2014, 09:26 AM   #1
Jim
 
2010 25' FB Flying Cloud
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Low voltage and surge protector

I would like to protect my 2010 Flying Cloud (30 amperes) from voltage extremes (both high and low) as well as surges. I thought of using the EMS-HW30C from Progressive Industries, however, that unit is to be permanently installed and I use twin Honda generators when commercial shore power is not available. These may be incompatible as the neutral and ground lines in the Hondas are not connected together, and the EMS-HW30C cuts the power when it detects a floating ground. Suggestions or recommendations?
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Old 10-20-2014, 09:53 AM   #2
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There is an external ground terminal on the generators (check the generator manual for details), but most people never use them, because it means driving a grounding rod into the soil and connecting the generator ground to it. Grounding the generator to earth should allow the Progressive unit to function properly when you're on generator power.
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Old 10-20-2014, 10:29 AM   #3
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We use a line protector when plugged in at a CG ... always. But a line tester will show a reverse fault when we use our Honda gens - not a problem, however.
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Old 10-20-2014, 11:17 AM   #4
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I have the EMS HW 30. I've installed it before the transfer relay so that it protects the shore power input but not the generator input on the front of the trailer. That way when I use the generator the EMS doesn't prevent the connection. Works great.
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