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What’s the bulge for in the new coax cable?

erlend
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D7164ED8-80F2-4973-BB36-C9C7B72E307B.jpeg

 what’s this bulge for in the new coax cable? I recently moved and VM sent me this, but the old cable I had never used to have this. 

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DJ_Shadow1966
Very Insightful Person
Very Insightful Person

Hello

This is a lightning / surge protector to stop high voltages coming down the line and damaging any equipment.

Regards Mike

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1 REPLY 1

DJ_Shadow1966
Very Insightful Person
Very Insightful Person

Hello

This is a lightning / surge protector to stop high voltages coming down the line and damaging any equipment.

Regards Mike

I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more

Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks