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8 posts

Wannabe Geek


Topic # 147424 18-Jun-2014 20:54
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Hi there

I need some advice and maybe a little education.

We are doing a reno at home and installing a structured wiring enclosure as part of it.  We will be pulling the RG6 and Cat6 ourselves but leaving any electrical work to a real sparky.

Our street doesn't get fibre until late 2015 but I would like to make it easy for that to be installed when the time comes.

Our structured wiring cabinet/enclosure will be on the opposite side of the garage to the current ETP.

My understanding of the fibre rollout is that Chorus will pull some fibre from the street to my existing ETP.  

We'd like all of the fibre gear (ONT, gateway) in the wiring cabinet so we need to run some conduit up the inside of the wall behind the ETP.

Once the conduit reaches the roof space can the conduit stop and the fibre cable just be live in roof space like any other wire or do we need to run conduit up the wall, across the roof, and down another wall into the wiring cabinet/enclosure?

Also, can I buy a length of fibre and pull the cable into the right place so it is ready for next year?

Cheers
J



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64 posts

Master Geek
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  Reply # 1068929 18-Jun-2014 22:38
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Depends if its a fixed , air blown , aerial install but yes if you run say up to 20mm flexi from existing ETP ( providing there are no tight bends in 20mm duct from street and are able to haul cable through) inside the wall into the ceiling then another run down the other wall to the coms box  where you want the ONT with a draw wire in place will make the install day a lot easier. then all the installers need to do is attach hybrid cable (4 copper pairs and 2 fibres ) to draw and pull it through ,tack it with cable clips to the ceiling joist  and run it down the other lot of flexi to coms box and splice either end ETP - ONT . fibre has a bend radius so slight bends are ok in flexi.



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  Reply # 1068938 18-Jun-2014 23:02
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From other posts here on Geekzone, DO NOT put in your own  fibre, it just ends up being a very expensive draw string. As mentioned above, no tight bends in your conduit you run from the ETP to the comms cupboard.


 Have you read the info on the Chorus website? 

http://www.chorus.co.nz/wiring

 
 
 
 


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  Reply # 1068965 19-Jun-2014 03:45
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The existing ETPs are replaced with an ETP suitable for houseing fibre spliceing as well as some minor copper connections - the new ETPs are usualy installed higher up the wall than the copper ETPs are/were .  If you are going to conduit down inside the garage wall above the existing etp I would suggest stoping just below the nog above the existing etp to help eliminate any posible cable bend issues from a higher ETP into your conduit


And has already been commeneted on just install a draw wire for now and leave any cableing to the installers

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  Reply # 1068979 19-Jun-2014 07:02
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My UFB fiber comes in overhead, goes under the house, up a conduit, across the roof, then down into a cupboard. The installers have it inside a conduit from the moment it touches my house, all the way down, under, up, across, and down again.




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  Reply # 1069016 19-Jun-2014 08:44
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My fibre was installed with conduit all the way as well. It goes up the garage wall, across the dbl garage frontage, back along a side wall, through the wall and into a basement area. The installers don't want to ever have to re-visit so make sure the fibre is totally protected.

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  Reply # 1069162 19-Jun-2014 12:03
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DO NOT use flexi conduit. It is an absolute pig to work with once it is in a wall. Even with a draw wire it sucks.
Our installer's down here in Palmy have been using 15mm grey water pipe. Reason is because it is smooth and continuous it is super easy to push either a fibre or blowing tube through it. It just needs to have nice sweeping corners and be fixed to something along the way. If it isn't fixed it tends to wobble around which makes rodding difficult.

DO NOT use flexi conduit.

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Ultimate Geek
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  Reply # 1069229 19-Jun-2014 14:15
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Whats wrong with flexi with a draw wire?

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  Reply # 1069238 19-Jun-2014 14:38
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chevrolux: DO NOT use flexi conduit. It is an absolute pig to work with once it is in a wall. Even with a draw wire it sucks.
Our installer's down here in Palmy have been using 15mm grey water pipe. Reason is because it is smooth and continuous it is super easy to push either a fibre or blowing tube through it. It just needs to have nice sweeping corners and be fixed to something along the way. If it isn't fixed it tends to wobble around which makes rodding difficult.

DO NOT use flexi conduit.


Its actualy 16mm or 20mm OD grey power conduit - but hes right ribbed flexi can be a right paid in the but to draw cables through (for more than a metre or so)

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  Reply # 1069241 19-Jun-2014 14:39
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illicit: Whats wrong with flexi with a draw wire?


Stuff tends to grab on the internal corrugations, and it's too tempting to put sharp bends in it, making it difficult to draw through later.

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  Reply # 1069444 19-Jun-2014 17:53
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illicit: Whats wrong with flexi with a draw wire?


Just everything. I have pulled in so many kilometers of cabling through conduit that I know as soon as there is flexi involved it will be a pain in the as5. Flexi has it's place, but mid-span in a conduit run is  definitely not one.

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  Reply # 1069498 19-Jun-2014 18:55
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InstallerUFB:
chevrolux: DO NOT use flexi conduit. It is an absolute pig to work with once it is in a wall. Even with a draw wire it sucks.
Our installer's down here in Palmy have been using 15mm grey water pipe. Reason is because it is smooth and continuous it is super easy to push either a fibre or blowing tube through it. It just needs to have nice sweeping corners and be fixed to something along the way. If it isn't fixed it tends to wobble around which makes rodding difficult.

DO NOT use flexi conduit.


Its actualy 16mm or 20mm OD grey power conduit - but hes right about ribbed flexi as this can be a right pain in the butt to draw cables through (for more than a metre or so at either end)

 
That was supposed to be an edit not a repost!

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Ultimate Geek
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  Reply # 1069603 19-Jun-2014 22:28
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i thought ETP had to be outside and you run Cat 6 from the external ETP to your cupboard??? i am putting a server cupboard in my new house build and asked the same question...got told that fiber could not terminate inside

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  Reply # 1069665 20-Jun-2014 00:30
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they insist that the ETP is "outside" the property but they take fiber from that to the ONT furthur inside.

IMO the insistance on outdoor ETP is silly since its already a concern with copper ones having people chop it to disable alarms. And fiber isnt fixable with scotchlocs.




Richard rich.ms

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  Reply # 1069686 20-Jun-2014 06:47
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floydie: i thought ETP had to be outside and you run Cat 6 from the external ETP to your cupboard??? i am putting a server cupboard in my new house build and asked the same question...got told that fiber could not terminate inside


Yes the ETP is on the outside and in the case of a fibre connection is used to transition from an external fibre (either fixed or blown) to an internal fibre (normaly a composite cable containing fibre & copper circuits) which is taken into the house and terminated where the ONT will be located.

The recomendation for new builds is that you run two cat5s in a conduit from the location of the ETP to an interconnect location (patching cupboard etc) - with one cat5 for use in a traditional copper connection and the other for a possible draw wire for additional services - in this case fibre



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Wannabe Geek


  Reply # 1071265 20-Jun-2014 19:24
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Hey everyone,

thanks for all the answers, looks like I will be spendinf more on conduit and zero on a run of fibre.

cheers
J

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