[RE-wrenches] Mounting height

Dave Click daveclick at fsec.ucf.edu
Thu Oct 23 05:52:49 PDT 2014


I believe that I was told in a 2005-ish Xantrex GT training that their 
minimum clearance (~30") requirement came from the need to be above lawn 
sprinklers. I can't remember offhand seeing this reason given in any 
recent manual, so any bottom clearances required in the manual may apply 
to you even if you're inside.


On 2014/10/23 0:59, frenergy wrote:
> Bob-O, Peter, Garrison,
>         I appreciate the responses, will proceed accordingly.  I have 
> seen some references to minimum distance to floor in some manuals.  
> Thank you,
> Bill
> Feather River Solar Electric
>
>     ----- Original Message -----
>     *From:* Garrison Riegel <mailto:garrison at solarserviceinc.com>
>     *To:* 'RE-wrenches' <mailto:re-wrenches at lists.re-wrenches.org>
>     *Sent:* Wednesday, October 22, 2014 11:11 AM
>     *Subject:* Re: [RE-wrenches] Mounting height
>
>     Bill,
>
>     See 2011 NEC 690.14(D) or 2014 NEC 690.15(A) Utility-Interactive
>     Inverters Mounted in Not Readily Accessible Locations. Basically
>     there is no maximum height restriction for inverters but there are
>     a number of requirements for AC and DC disconnecting means.  See
>     NEC 404.8 for maximum disconnect height of 6’ 7”…although
>     exception No. 2 may allow the disconnect to be accessible by
>     portable means.  I don’t know of any minimum height requirements
>     in the code, although most (all?) string and microinverter
>     manufacturers specify a required clearance below the inverter.  I
>     suppose that would be the minimum.
>
>     Garrison
>
>     Garrison Riegel
>
>     Project Manager | /Solar Service Inc/
>     <http://www.solarserviceinc.com/>
>
>     [p] 847-677-0950 | garrison at solarserviceinc.com
>     <mailto:garrison at solarserviceinc.com>
>
>     NABCEP Certified PV Installation Professional™
>
>     *From:*RE-wrenches
>     [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of
>     *frenergy
>     *Sent:* Tuesday, October 21, 2014 11:02 PM
>     *To:* RE-wrenches
>     *Subject:* [RE-wrenches] Mounting height
>
>     Wrenches,
>
>             I can't seem to find a reference to the heights allowable
>     for inverter installs, either minimum or maximum (need both).  For
>     that matter, AC combiners, DC discos, any switchgear related to
>     the inverter(s).
>
>             Any help appreciated.
>
>     Bill
>
>     Feather River Solar Electric
>
>     solar powered since 1982
>
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