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#265374 18-Jan-2020 19:44
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Right, now I have your attention I know it's not legal to do that with copper - but I am not clear if it's ok to do this with fibre... I had a quick look and can't believe how cheap fibre patch leads are and I already have a couple of SFPs and a main switch with SFP ports so would only need a cheap switch for the garage with an SFP port.

 

Anyone know for sure or have had this done? Fibre patch lead through same conduit as power?

 

Cheers - N

 

 





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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  #2401512 18-Jan-2020 21:17
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Technically speaking Fiber is an insulator so I do not see why not. it's no different from running a few pieces of string through the same duct really, the only difference there is also a piece of glass in the duct carrying the light from the SFP's.

 

A cheap switch that I have used and like are these ES-10X.




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  #2401518 18-Jan-2020 21:52
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That looks nice and cheap but it's using BS PoE so unfortunately it won't work for me. But yeah, something like that with proper PoE (at least af) on at least a couple of ports (for cameras on the garage and on the CNC router table)

 

Your logic is the same as mine re: fibre in a power duct but I was hoping there was someone that had done it and had an electrician sign it off that could confirm.

 

 

 

Cheers - N

 

 





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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


 
 
 
 


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  #2401519 18-Jan-2020 21:59
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You absolutely can

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  #2401521 18-Jan-2020 22:12
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Talkiet:

 

That looks nice and cheap but it's using BS PoE so unfortunately it won't work for me. But yeah, something like that with proper PoE (at least af) on at least a couple of ports (for cameras on the garage and on the CNC router table)

 

Your logic is the same as mine re: fibre in a power duct but I was hoping there was someone that had done it and had an electrician sign it off that could confirm.

 

 

 

Cheers - N

 

 

 

 

 

 

What about this switch I have also used one of these on a job after the previous one had been hit by lightning and they too work well.

 

My logic is the same as yours Because I have done it on a few jobs where it was the only way to get data out to a remote location due to a duct being damaged or only one duct being installed many years ago. 

 

I wouldn't know where to start or what to sign off due to there being insulation installed with the mains feeding the shed (so really it's not worth the time or any point as there is no extra conductors in the duct), it's no different from installing a drawstring, so is it even worth the hassle for a bit of PVC, kevlar and some glass strands.

 

 

 

 




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  #2401523 18-Jan-2020 22:19
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That one looks ideal. I already have a couple of these ( https://www.pbtech.co.nz/product/SWHNGR2709157/NETGEAR-ProSAFE-GS105PE-5-Port-Gigabit-Web-Managed ) to mitigate the insanely restrictive 6 cat5e cable runs for a 262m2 house... But the external shed needs power connected and I wanted to run network there as well without putting another conduit in... So looks like fibre will be the go and something like that 8 port POE netgear with SFP.

 

 

 

Cheers - N

 

 





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Please note all comments are the product of my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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  #2401524 18-Jan-2020 22:19
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Our guys have just run a fibre in a duct with a power cable to a digital signage board. It was for the city council, so I assume it would have got signed off.

 

Will find out tuesday for you.

 

Anecdotally though, I can't imagine an electrician caring?...


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  #2401548 19-Jan-2020 07:27
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Hi, I cannot find the document just right now, but in Au their rules clearly state it is allowed, however a registered sparkie must install both.................. yeah right.

 

Cyril


 
 
 
 


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  #2401549 19-Jan-2020 07:29
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cyril7:

 

Hi, I cannot find the document just right now, but in Au their rules clearly state it is allowed, however a registered sparkie must install both.................. yeah right.

 

 

Probably best our rules don't mention it then.

 

 


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  #2401553 19-Jan-2020 09:03
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IIRC the issues were induction from running parallel for any distance then insulation. When the PDL 600 face plates were introduced originally telephone socket modules had rubber covers for the back with the intention of allowing the socket to appear on a faceplate that also had an LV component. Telecom objected to that because while it may have been technically ok it meant that a faultman would have needed electrical registration to access the enclosure.

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  #2401579 19-Jan-2020 11:51
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Talkiet:

 

That looks nice and cheap but it's using BS PoE so unfortunately it won't work for me. But yeah, something like that with proper PoE (at least af) on at least a couple of ports (for cameras on the garage and on the CNC router table)

 

Your logic is the same as mine re: fibre in a power duct but I was hoping there was someone that had done it and had an electrician sign it off that could confirm.

 

 

 

Cheers - N

 

 

 

 

I may have an obsession with Mikrotik products, but https://gowifi.co.nz/poe/rb960pgs.html supports af/at output, otherwise the next step up is https://gowifi.co.nz/poe/crs112-8p-4s-in.html.





Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.


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  #2401630 19-Jan-2020 12:26
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toejam316:

 

Talkiet:

 

That looks nice and cheap but it's using BS PoE so unfortunately it won't work for me. But yeah, something like that with proper PoE (at least af) on at least a couple of ports (for cameras on the garage and on the CNC router table)

 

Your logic is the same as mine re: fibre in a power duct but I was hoping there was someone that had done it and had an electrician sign it off that could confirm.

 

 

 

Cheers - N

 

 

 

 

I may have an obsession with Mikrotik products, 

Join the club.

 

 

 

If you visit www.routerboard.com and tick the filter under Features to SFP/SFP+ ports.  Cheapest shows as the hEX S https://gowifi.co.nz/routers/rb760igs.html


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  #2401664 19-Jan-2020 14:11
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Yeah the HEX S is passive only though iirc. The HEX POE is the cheapest option with af/at




Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.


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  #2401669 19-Jan-2020 15:09
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I would think the main concern would be the outlet of where the fibre is terminated would be where the issue would come from.
If you had fibre -> duct at least 50 cm long -> join where power is added -> longer duct between houses -> join where power is terminated -> duct at least 50cm long -> fibre outlet then you should be fine.
It's where the fibre termination is and you have live connections like a sub-board and anything metal that could carry current that is the issue.
https://www.nzqa.govt.nz/nqfdocs/units/pdf/20177.pdf
https://shop.standards.govt.nz/catalog/2967:2014(AS%257CNZS)/scope
https://worksafe.govt.nz/dmsdocument/1442-guide-for-safety-with-underground-services

I doubt any normal sparky would know but a fibre installer should be able to provide advice to then give to the sparky.




and


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  #2401674 19-Jan-2020 15:33
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cyril7:

Hi, I cannot find the document just right now, but in Au their rules clearly state it is allowed, however a registered sparkie must install both.................. yeah right.


Cyril



On Australia you can't even touch phone or data cable in your house unless you're licenced.

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  #2401699 19-Jan-2020 17:40
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sbiddle:
cyril7:

 

Hi, I cannot find the document just right now, but in Au their rules clearly state it is allowed, however a registered sparkie must install both.................. yeah right.

 

Cyril

 



On Australia you can't even touch phone or data cable in your house unless you're licenced.

 

Yep totally aware of that, and to be honest I dont think that strategy has improved the level of poor non professional work appearing, all it has done is protect the industry, seems to be a very Australian thing that.

 

Cyril


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