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#163896 - 05/20/07 02:58 PM
Service Drops: Not just for Electricians anymore
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Cat Servant
Member
Registered: 01/22/05
Posts: 4653
Loc: Blue Collar Country
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#163906 - 05/20/07 04:50 PM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 04/30/04
Posts: 826
Loc: Lower Bucks County PA
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Pat. Het. Ic.
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"Hey no wonder the water don't woik, the pipe is plugged up with wires."
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#163911 - 05/20/07 05:18 PM
Re: Service Drops: Not just for Electricians anymore
[Re: Theelectrikid]
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Member
Registered: 03/23/05
Posts: 1758
Loc: Mayenne N. France
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ROFL, you little rascal! I was just about to reach for my old latin primer when I got it.
Veni, vidi, ego!
I came, I saw, I got!
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Wood work but won't!
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#163917 - 05/20/07 06:31 PM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 07/05/04
Posts: 649
Loc: Winchester, NH, US
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I'll bite. What kind of service drop are we looking at? The lighter cable looks like it changes into an Pressurized RF cable. Is it for some sort of Radio Antenna?
Larry C
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#163924 - 05/20/07 06:52 PM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 04/30/04
Posts: 826
Loc: Lower Bucks County PA
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I believe this is the drop from the cable TV provider. That explains it. Ian A.
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"Hey no wonder the water don't woik, the pipe is plugged up with wires."
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#163929 - 05/20/07 07:07 PM
Re: Service Drops: Not just for Electricians anymore
[Re: Theelectrikid]
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Member
Registered: 09/25/02
Posts: 708
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If a structure has vinyl siding,a demolition contractor can cure it.
There are a number of things that go with vinyl siding,A Yugo in the driveway, Haier appliances, oh and Zinsco and or FPE gear...
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#163932 - 05/20/07 07:27 PM
Re: Service Drops: Not just for Electricians anymore
[Re: NORCAL]
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Member
Registered: 04/30/04
Posts: 826
Loc: Lower Bucks County PA
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Well if that's the case I'll keep the asbestos...
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"Hey no wonder the water don't woik, the pipe is plugged up with wires."
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#195673 - 08/17/10 04:48 PM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 05/03/03
Posts: 1126
Loc: kamloops BC Canada
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#195676 - 08/17/10 05:04 PM
Re: Service Drops: Not just for Electricians anymore
[Re: dougwells]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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Reno:
I'll take the camera and see if I can find something. Doug already answered the hardware issue.
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John
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#195684 - 08/17/10 07:51 PM
Re: Service Drops: Not just for Electricians anymore
[Re: dougwells]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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What's the deal with using the service mast to support/anchor the cable??
That bonding point on the meter pan here (POCO Rule) won't happen here either.
Is this all Canadian devices?
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John
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#195695 - 08/18/10 04:43 PM
Re: Service Drops: Not just for Electricians anymore
[Re: noderaser]
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Cat Servant
Member
Registered: 01/22/05
Posts: 4653
Loc: Blue Collar Country
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I knew I could count on Doug to provide some solid links - thanks, buddy! I re-opened this thread because it's a lot easier to say 'that looks wrong' ... than it is to say 'I know how to do it right.' The meter-pan clamps and sundry 'pipe clamp like straps' we see might seem inadequate - but only very recently has the NEC required electricians to provide a bonding point on the OUTSIDE of the service. I raised the issue of mounting, not just because of my picture, but because so many 'good' installs hang the wire from the service mast - something the NEC prohibits. As you might have gussed, I have my own dog in this fight. My current accomodtions are served by a cable install far worse than the picture at the top of this thread - something I intend to address. This - and the inadequacy of the local parts houses - reminded me that most 'real' electricians actually have very little direct experience with CATV. So - Let's have a learning opportunity 
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#195697 - 08/18/10 05:37 PM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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Reno:
I agree there are some really bad cable installs, along with telco installs.
The cable drop on the service mast is a no-no, and gets a red sticker IF that's how it is upon inspection. However, when the cable/telco guys arrive after the inspection, the install was already approved.
IF I have to go back for a re-inspect, or a final....that's another story. If it's a new house, or a renovation I give a red tag to the builder/HO to contact cable/telco for a NEC violation. It's tough, & a case-by-case issue.
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John
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#195698 - 08/18/10 06:04 PM
Re: Service Drops: Not just for Electricians anymore
[Re: HotLine1]
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Member
Registered: 05/03/03
Posts: 1126
Loc: kamloops BC Canada
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#195700 - 08/18/10 06:35 PM
Re: Service Drops: Not just for Electricians anymore
[Re: HotLine1]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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Doug:
I have seen the meter pan gizmos within a PowerPoint I received from Erico. They did a comparison of devices and $$ for the 250.94 requirement.
Our POCO (PSE&G) does not allow anything attached to the meter pan.
Thanks again for the links
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John
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#195702 - 08/18/10 07:41 PM
Re: Service Drops: Not just for Electricians anymore
[Re: dougwells]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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My all time favorites are the Dish/CATV installers that use the 2"/2-1/2" pipe clamp on the PVC risers!! Way to go!
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John
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#195706 - 08/18/10 10:36 PM
Re: Service Drops: Not just for Electricians anymore
[Re: HotLine1]
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Member
Registered: 07/20/04
Posts: 7144
Loc: Estero,Fl,usa
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All of these things are what caused the inter system bonding block rule.
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Greg Fretwell
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#195711 - 08/19/10 07:37 AM
Re: Service Drops: Not just for Electricians anymore
[Re: gfretwell]
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Member
Registered: 04/03/02
Posts: 4904
Loc: Brick, NJ USA
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Which, IMHO is a good addition to the code.
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John
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#195718 - 08/19/10 11:55 AM
Re: Service Drops: Not just for Electricians anymore
[Re: HotLine1]
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Member
Registered: 07/20/04
Posts: 7144
Loc: Estero,Fl,usa
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Prior to that a fairly standard thing here was for them to extend the tail of the 4g solid GEC out through the hole behind the meter can and leave about a foot or so hanging in the air for the other providers to split bolt to.
The inter system grounding block made that a lot more elegant.
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Greg Fretwell
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#195721 - 08/19/10 12:46 PM
Re: Service Drops: Not just for Electricians anymore
[Re: HotLine1]
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Member
Registered: 06/07/06
Posts: 566
Loc: Victoria, BC, Canada
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Perfectly legal here to use the electrical service mast for the telephone and cable drop. Must be 1 foot lower than the power but still at least 2 feet above the roof.
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#195730 - 08/19/10 03:08 PM
Re: Service Drops: Not just for Electricians anymore
[Re: mikesh]
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Member
Registered: 07/20/04
Posts: 7144
Loc: Estero,Fl,usa
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They have modified 230.28?
"... Only power service-drop conductors shall be permitted to be attached to a service mast."
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Greg Fretwell
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#195739 - 08/20/10 12:44 AM
Re: Service Drops: Not just for Electricians anymore
[Re: renosteinke]
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Member
Registered: 07/20/04
Posts: 7144
Loc: Estero,Fl,usa
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I bet you, I can see every staple on a scope set up for TDR if you crush the shield a little.
Whether that will show up on your TV is just how bad the cable is damaged.
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Greg Fretwell
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#195805 - 08/23/10 10:40 PM
Re: Service Drops: Not just for Electricians anymore
[Re: gfretwell]
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Member
Registered: 02/21/03
Posts: 229
Loc: Winnipeg MB Canada
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Its interesting the way our local utilities address this on their web sites.
Manitoba Telecom Services says they will not attach to the electric service mast and one for telephone service must be provided for them if required for ground clearance.
Manitoba Hydro does not reference external attachments to the mast at all in their service requirement pages.
Shaw cable also has no residential service entrance requirements regarding attachment points that I could find on there web site.
Edited by mbhydro (08/23/10 10:41 PM)
Edit Reason: clarify
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#195807 - 08/23/10 11:24 PM
Re: Service Drops: Not just for Electricians anymore
[Re: gfretwell]
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Member
Registered: 08/20/07
Posts: 856
Loc: Lowell area, Ma. USA
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All of these things are what caused the inter system bonding block rule. So does my new block have to be bonded with the service bond? or can I down size it? (lazy tonight,not looking in the book )
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#195810 - 08/24/10 01:23 AM
Re: Service Drops: Not just for Electricians anymore
[Re: leland]
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Member
Registered: 07/20/04
Posts: 7144
Loc: Estero,Fl,usa
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6 Ga copper 250.94
250.94 Bonding for Other Systems.
An intersystem bonding termination for connecting intersystem bonding and grounding conductors required for other systems shall be provided external to enclosures at the service equipment and at the disconnecting means for any additional buildings or structures. The intersystem bonding termination shall be accessible for connection and inspection. The intersystem bonding termination shall have the capacity for connection of not less than three intersystem bonding conductors. The intersystem bonding termination device shall not interfere with opening a service or metering equipment enclosure. The intersystem bonding termination shall be one of the following:
(1) A set of terminals securely mounted to the meter enclosure and electrically connected to the meter enclosure. The terminals shall be listed as grounding and bonding equipment.
(2) A bonding bar near the service equipment enclosure, meter enclosure, or raceway for service conductors. The bonding bar shall be connected with a minimum 6 AWG copper conductor to an equipment grounding conductor(s) in the service equipment enclosure, meter enclosure, or exposed nonflexible metallic raceway.
(3) A bonding bar near the grounding electrode conductor. The bonding bar shall be connected to the grounding electrode conductor with a minimum 6 AWG copper conductor.
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Greg Fretwell
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