[TowerTalk] CATV & Phone grounds

[Jim Lux]

At 07:10 AM 7/11/2006, K4BEV at aol.com wrote:
>
>In a message dated 7/11/2006 9:04:09 A.M. Central Daylight Time,
>jimlux at earthlink.net writes:
>
>And, for  both CATV and phone, their interest is in protecting *their*
>physical  plant, not yours.  You are the sacrificial element in their
>protection system.
>
>
>
>An interesting point.
>Does anyone know if the cable and phone companies are REQUIRED to tie their
>ground to the ground at the service entrance?


There's a general NEC requirement that all grounds have to be tied together.

>Mine are not.
>Several months ago my tower took a lightning hit and everything tied to the
>phone and cable lines was *killed*. I wonder if not having their grounds 
>tied
>into the power co's is the reason.
>
>73, Don - K4BEV