Forum Discussion
jmsokol
Apr 04, 2013Explorer
raytronx wrote:
I installed the EMS-HW30C, the hard wired version.
Link to my blog post detailing it
So far I'm very happy with it, although I recently became aware it doesn't protect against one type of improperly wired plug called Reverse Polarity Bootleg Ground. Seems none of the surge protectors can find this situation.
I'm in the process of learning more from Mike Sokol over at http://www.noshockzone.org/ and will update my blog.
http://www.noshockzone.org/ has some excellent RV electrical safety articles btw.
Ray
Much more on this later, but I did get confirmation from Progressive Industries today that their 120-volt products have been tested up to 440 volts. So it should do a good job of protecting your RV from plugging into a TT-30 120-volt outlet that's been mis-wired by an unknowing electrician with 240 volts. See http://www.noshockzone.org/accidentally-plugging-into-240-volt-outlet/ for this article on mis-wired outlet.
And here's my article about RPBG outlets and why they're difficult to test for: http://www.rvdoctor.com/2001/07/friends-of-gary-mike.html Ray and I have been in discussion about the RPBG hot-skin effect, but I've confirmed that there are no currently manufactured surge protectors that can identify or protect you from an RPBG hot-skin condition.
Mike Sokol
www.noshockzone.org
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