Re: [RE-wrenches] double-insulated PV wire

2013-08-31 Thread Marco Mangelsdorf 
Note that this also assumes that the conductor whips from the modules ARE
ALSO double insulated if they're to be used with TL inverters.  Some mods
have 'em, some do not.

 

From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of William
Miller
Sent: Friday, August 30, 2013 11:52 AM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] double-insulated PV wire

 

Marco:

 

 

Good point.  If one can position transition boxes close enough to the
modules, you can use only the leads from the modules, avoiding the need to
buy any PV wire.  It is surprisingly easy to do.  See:

 

http://www.millersolar.com/MillerSolar/practices/PV_wiring/PV_Cable_wiring/_
PV_Cable_Wiring.html

 

WM

 

 

double-insulated wire has to be used from the module series string to the
first enclosure and enclosed raceway where the transition to standard
THHN/THWN wire can be made.

 

marco

 

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Re: [RE-wrenches] double-insulated PV wire

2013-08-31 Thread William Miller 
Marco:

 

 

Good point.  If one can position transition boxes close enough to the
modules, you can use only the leads from the modules, avoiding the need to
buy any PV wire.  It is surprisingly easy to do.  See:

 

http://www.millersolar.com/MillerSolar/practices/PV_wiring/PV_Cable_wiring/_
PV_Cable_Wiring.html

 

WM

 

 

double-insulated wire has to be used from the module series string to the
first enclosure and enclosed raceway where the transition to standard
THHN/THWN wire can be made.

 

marco

 

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Re: [RE-wrenches] double-insulated PV wire

2013-08-31 Thread Doug Wells 
Marco,

Last we purchased both from USA wire and cable in Austin.
Under $5 per mated pair and pins for oversized MC4.

Doug Wells
The Solar Specialists
Morrisville, VT 05661
(p) 802-223-7014
(c) 802-498-5856
www.thesolarspecialists.com


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[RE-wrenches] double-insulated PV wire

2013-08-31 Thread Marco Mangelsdorf 
Thanks.

 

Yeah, the MC connectors, for example, that work with that double-insulated
wire are the one with the larger orifices, as in rated for #10 and #8
conductors if memory serves.

 

I called a half a dozen electrical supply warehouses in these here parts and
none of them carried the wire and hadn't even heard of it.  Leads me to
believe that not enough integrators who are now spec'ing out the TL
inverters know that double-insulated wire has to be used from the module
series string to the first enclosure and enclosed raceway where the
transition to standard THHN/THWN wire can be made.

 

marco

 

Aee Solar sells it, we bought a lot. Don't forget the normal cable gland
holes will be too small, you have to buy special units. I ended up buying
those from the UK.

 

On Fri, Aug 30, 2013 at 2:59 PM, Marco Mangelsdorf 
wrote:

Hola,

 

Any recommendations where I can find rolls of #10 double-insulated PV wire
(for use with transformerless inverters) in the South S.F. Bay Area?

 

Thanks,

marco


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-- 
Chris Mason

President, Comet Systems Ltd

www.cometenergysystems.com

Cell: 264.235.5670

Skype: netconcepts

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Re: [RE-wrenches] SMA WebBox - Bluetooth vs RS485

2013-08-31 Thread Chris Mason 
I have three in use since about two weeks ago. One webbox has nine Sunny
Tripower inverters on it. I love love love them. No cabling and tremendous
range. I have had to change the Bluetooth ID to distinct values because the
inverters on the next building about 200' away showed up as new devices.


On Fri, Aug 30, 2013 at 3:11 PM, Dave Click  wrote:

> Have folks been having good experiences with the SMA Bluetoothed WebBox,
> or should I stick with the standard 485 edition? I'm guessing it'll be
> about a 20' max triangle between the SB1TL, WebBox, and SensorBox.
> Likely using a Sprint modem for the internet connection.
>
> Thanks in advance and hope everyone has a nice weekend!
> Dave
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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Re: [RE-wrenches] double-insulated PV wire

2013-08-31 Thread Chris Mason 
Aee Solar sells it, we bought a lot. Don't forget the normal cable gland
holes will be too small, you have to buy special units. I ended up buying
those from the UK.


On Fri, Aug 30, 2013 at 2:59 PM, Marco Mangelsdorf wrote:

> Hola,
>
> ** **
>
> Any recommendations where I can find rolls of #10 double-insulated PV wire
> (for use with transformerless inverters) in the South S.F. Bay Area?
>
> ** **
>
> Thanks,
>
> marco
>
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-- 
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com
Cell: 264.235.5670
Skype: netconcepts
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[RE-wrenches] double-insulated PV wire

2013-08-31 Thread Marco Mangelsdorf 
Hola,

 

Any recommendations where I can find rolls of #10 double-insulated PV wire
(for use with transformerless inverters) in the South S.F. Bay Area?

 

Thanks,

marco

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