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defiant
931 posts

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  # 2216592 13-Apr-2019 17:16
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Yeah I know, I realised that what I posted wouldn't work after I posted, but couldn't be bothered editing it again

 

Anyone got pictures of what an overhead install looks like in terms of how do they run the fibre to the ETP once its been attached to your house?

 

Edit: And the irony is I've edited this post about a 1000 times now, found a thread here with an example https://www.geekzone.co.nz/forums.asp?forumid=49&topicid=115913

 

All I'm doing is speculating so will cross that bridge when it comes.

 

Anyway, sorry, I'm semi derailing this thread so I'll stop now!

 

 


2953 posts

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  # 2216649 13-Apr-2019 19:42
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Gordy7:

As another GZ member suggested - I added an orange conduit in my trench and out to my gate for an alarm. I bought 20mm orange conduit - sight unseen as Bunnings is over 100km from where I live. The bore of this conduit is only 15mm but will be suitable for my requirements. A larger size would have been better. So... beware.... Bunnings conduit size is outside diameter for some strange reason.




Electrical conduit is sized by OD. The question should be why Chorus 20mm conduit is a different sizing convention instead of just being a different colour. It's around 27mm OD so closer to 25mm electrical conduit.

 
 
 
 


4904 posts

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  # 2216661 13-Apr-2019 20:19
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Chorus green conduit has the same dimensions as 20 mm pressure pipe. That's where the 20 mm nominal size stamped on it comes from.




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  # 2216664 13-Apr-2019 20:29
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Bung:
Gordy7:

 

As another GZ member suggested - I added an orange conduit in my trench and out to my gate for an alarm. I bought 20mm orange conduit - sight unseen as Bunnings is over 100km from where I live. The bore of this conduit is only 15mm but will be suitable for my requirements. A larger size would have been better. So... beware.... Bunnings conduit size is outside diameter for some strange reason.

 




Electrical conduit is sized by OD. The question should be why Chorus 20mm conduit is a different sizing convention instead of just being a different colour. It's around 27mm OD so closer to 25mm electrical conduit.

 

Water pipe is ID.... 

 

Really the question should be why is electrical conduit sized by OD when you want to pass something through the inside.... Anyway - Bunning sells the orange conduit by the electrical convention of OD.

 

Edit: The whole business of pipe diameters is pretty haphazard. 

 

Our PVC water pipes are spec on ID

 

BSP has varying sizes or spec'd on OD and ID.

 

Orange electrical conduit is spec'd on OD in the smaller sizes and ID on very large sizes.

 

All a bit complicated and getting a bit off topic :-)

 

 

 

 

 

 

 

 





Gordy


518 posts

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  # 2216669 13-Apr-2019 21:05
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dfnt:

Yeah I know, I realised that what I posted wouldn't work after I posted, but couldn't be bothered editing it again


Anyone got pictures of what an overhead install looks like in terms of how do they run the fibre to the ETP once its been attached to your house?


Edit: And the irony is I've edited this post about a 1000 times now, found a thread here with an example https://www.geekzone.co.nz/forums.asp?forumid=49&topicid=115913


All I'm doing is speculating so will cross that bridge when it comes.


Anyway, sorry, I'm semi derailing this thread so I'll stop now!


 



I don't think the example you've linked to there is a very typical overhead install. This one is more like the ones I've seen: here.

The cable coming out the ETP will be either going through the cladding into the house (as in this photo), heading down into the subfloor, or heading back up to the roof space.

It does seem a little strange that Chorus will run the cable down to an ETP, just to then run it all the way back up into the roof space. It unfortunately also tends to look a bit ugly.

This Chorus document suggests that they will install a 'high' ETP when heading back up into the roof space. Not sure exactly what that means, but the installs I've seen tend to have the ETP low to the ground, even when heading back up into the roof.

My own fibre install is overhead and via the roof space. I actually installed some conduit running from the soffit to the ONT location inside. The technician decided to install the lead-in without an ETP, so it is just a single run all the way from the pole to the ONT. But, I don't think that's at all standard, and may not be an option that is even offered.

defiant
931 posts

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  # 2216776 14-Apr-2019 09:32
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Thanks @froob, that's helpful to know

 

 


212 posts

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  # 2216952 14-Apr-2019 13:42
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Gordy7:

 

As another GZ member suggested - I added an orange conduit in my trench and out to my gate for an alarm. I bought 20mm orange conduit - sight unseen as Bunnings is over 100km from where I live. The bore of this conduit is only 15mm but will be suitable for my requirements. A larger size would have been better. So... beware.... Bunnings conduit size is outside diameter for some strange reason.

 

 

All electrical conduit is sized on OD, and it makes sense when you consider threaded fittings, saddles etc. Water pipe (which Chorus uses) is sized on ID for some strange reason (what size hole do I need?, what size saddles? what thread size for plain-screw adaptor?).


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