thanks David, Well spoken (I would add the words after ", you have many
strings of 3 modules in series" the words (connected in parallel)"
I have found one other tigo trick, If you are supplying an inverter with a
short string, and some modules or even one module is shaded the inverter can
dro
Hi Chris,
Check with Dynamic Fasteners.
They have lots of self taping large diameter fasteners.
jay
peltz power
On Oct 21, 2012, at 6:21 AM, Chris Mason wrote:
> I have a large steel roof project to install that is giving me some problems.
> There are many locations so no one is the same.
> M
We have had good luck with a drill & tap attachment directly thru the
purlins.
I first researched thread pullout strength in steel on the www using 5/16-18
SS bolts. I copped a short section of standard gauge C-purlin from a local
steel erection company and did my own simple pullout testing. I do
I have a large steel roof project to install that is giving me some
problems. There are many locations so no one is the same.
Most of the roofs are steel sheet over steel purloins with no insulation.
The steel sheeting is lying right on top of the purloins.
Can I use a self drilling self tapping sc
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