Forum Discussion
CA_Traveler
Feb 04, 2016Explorer III
westom wrote:I agree that transients from the pedestal would be "best" caught at the pedestal but there are other factors.
Defined were two types of protectors even offered by Progressive. One that addresses the most common campground anomalies does disconnecting. Another that also protects from microsecond transients must be located as close to the pole as possible. Details provided earlier.
Which anomalies concern you? Different protectors (even from Progressive) address different anomalies.
All of the Progressive units have transient or surge protection and generally the hardwired units have the highest joule rating. I don't know what MOVs, etc they use. The hardwired units have the additional advantage of being out of sight and they are always in use when you are plugged in unless bypassed for some reason. ie The power protectors detect and suppress transients in sub millisecond range and disconnect power for other faults.
Another factor that over rides any thing else for the 50A units is that protection from a open neutral is as far downstream as possible. The most likely place for a open neutral is in the plug itself followed by any junction boxes, cord reels or wiring. And a 50A open neutral can and will cause very high voltage on the 120V devices.
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