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user21
Contributor
Contributor
Posts: 3
Registered: ‎07-22-2015

Grounding and surge protection

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After a recent storm, my router was fried and HDMI1/HDMI1 of one of my televisions was fried.  All of my devices are plugged into surge protectors but that only protects from surges on the power line and I presume my surge followed the cables.

 

How is the ONT grounded?  (It has only a two prong plug.)  Should there be additional surge protection and would that cause problems with MoCA?  I will note that the splitter between the ONT, cable box 1 and cable box 2 is outdoors (due to legacy) and is cold water pipe grounded.

 

The ONT is supplied via fiber optic so a surge shouldn't come in from that line.

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