Forum Discussion
CA_Traveler
Dec 04, 2018Explorer III
My unusual high voltage event.
Shortly after installing my EMS I had 160V at 10:00 PM due to a open neutral. My inside remote displayed the high voltage and I could not get disconnected from the CG pedestal quick enough.
This was on a 30A pedestal so a open neutral cannot cause high voltage! Right? :@
Think again. :h The open neutral was in the CG 120/240V distribution system which feeds 20A and 30A 120V circuits. BTW A 120/240V distribution system is extremely common and exists in 99.9999% of every home. For my home it's a 200A or 200A x 240V = 48,000 watt system. A 50A RV circuit is 50*240 = 12,000 watts.
Don't leave home without EMS protection as CGs tend to be over used and under maintained.
Shortly after installing my EMS I had 160V at 10:00 PM due to a open neutral. My inside remote displayed the high voltage and I could not get disconnected from the CG pedestal quick enough.
This was on a 30A pedestal so a open neutral cannot cause high voltage! Right? :@
Think again. :h The open neutral was in the CG 120/240V distribution system which feeds 20A and 30A 120V circuits. BTW A 120/240V distribution system is extremely common and exists in 99.9999% of every home. For my home it's a 200A or 200A x 240V = 48,000 watt system. A 50A RV circuit is 50*240 = 12,000 watts.
Don't leave home without EMS protection as CGs tend to be over used and under maintained.
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