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Grounding/Bonding Fiber Optic Internet Line
I am hoping to learn if there is any electrically conductive material used in the construction of the fiber optic line that is run from the service panel at the street up to my house. I noticed that there is not a ground from the box that AT&T installed on my house down to any ground rod. I understand that there there are different methods that the manufacturers of the fiber optic line use to protect the cable. It is my understanding that some use a metallic material where others use a dielectric protection. I have some very expensive equipment in my home office and I have gone through extensive measures to add the appropriate grounding/bonding practices to provide the best protection that is possible within my means. All service that enters my home goes through a single point ground panel which is bonded to a ground electrode driven 8 feet into the ground. This ground electrode is also bonded to the two electrodes at the main service entrance.
Can someone confirm either the type of fiber optic cable that is used by AT&T and/or whether or not it is electrically conductive and should be incorporated into single point ground panel or if this is unnecessary due to the construction of the line that is used. I am guessing that AT&T would have grounded it if it was necessary, but I just don't want to take any chances after going through such measures to protect everything inside.
Thank you.
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my thoughts
Former Employee
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20.4K Messages
2 years ago
Aerial fiber from pole has no metal in casing. Buried fiber does have metal on the outside of casing used by 811 to detect type of line buried when performing locate service.
The metal lining does not connect to any in home equipment, the glass fiber does not conduit ac voltage or current. The tech can ground the metal strip at the burial terminal.
Have never grounded a fiber nid, but could be done... should be to house ground, not a separate rod where grounding potentials could exist.
My last thought is this is why you have insurance, may need to purchase a rider if expensive equipment is not covered under standard homeowner's policy.
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Constructive
Former Employee
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31.4K Messages
2 years ago
ive never seen a fiber with a ground glass doesnt conduct electricity very well
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