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Photos of an Intersystem Bonding Termination
Electrical Advice From an Experienced Professional
Dear Mr. Electrician: How do I ground my telephone and cable TV demarcation terminal blocks?  Click for answer.  Photos below are of a Intersystem Bonding Termination.
In the photo below, an "Intersystem Bonding Termination" is depicted.  It is nothing more than a terminal block approved for this purpose.  It takes one large grounding electrode conductor and up to four smaller grounding conductors for cable TV and telephone services.  It is important to have this for lightning protection.
Photo of an intersystem bonding termination
Photo of an intersystem bonding termination

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Updated May 30, 2011

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