Grounded for two weeks...hopefully longer [RE-wrenches]

[Brad Bassett]

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Confirmed that at least one other brand of copper lay-in lug, that looks 
identical to the GBL-4DB, does NOT have a stainless screw. Look to see 
which you have!

Brad
AEE


Brad Bassett wrote:
> 
> Confirmed this morning that both the GBL4-DB and GBL4-DBT have a SS 
> screw in them.
> 
> Brad
> 
> 
> Brad Bassett wrote:
> > 
> > GBL-4  = Aluminum with plated screw, indoor rated
> > GBL-4DB = Copper with ss screw (I thought!), outdoor rated. Supplied 
> > with some kits, as mentioned in other posts. 
> > GBL-4DBT = Tinned copper with ss screw and expensive as mentioned here. 
> > I think John W. likes this one because of the potential for corrosion 
> > between copper and aluminum with the copper lug.
> > 
> > I would think that with a ss washer between the copper lug and the 
> > module frame that you are no worse off than copper wire to tinned lug to 
> > 
> > 
> > module frame? Need to check about the ss screw in the lug though.
> > 
> > Brad
> > AEE
> > 
> > 
> > 
> > Marco wrote:
> > > 
> > > 
> > > I dunno what most of you are doing for grounding modules, but I wanted 
> > > to
> > > share my observation of what happens to an Ilsco-brand GBL-4DB ground 
> > > lug
> > > (the type where it's easy to simply lay in a bare CU wire) after it's 
> > > been
> > > in the rainy Hilo environment for two years.  The screw has rusted big 
> > > time.
> > > If one tried to extract it, the screw would crumble.  
> > > Yikes...Apparently,
> > > the ground lug to use is the Ilsco GBL-4DBT which is a copper alloy with 
> > > 
> > > 
> > > a
> > > SS screw.  I just got a price from my supplier: $3.94 per lug!  Ouch.  
> > > And,
> > > to perhaps state the obvious, you gotta also use a SS screw to attach 
> > > the
> > > lug onto the module frame.  Those zinc-plated puppies also rust 
> > > something
> > > awful.
> 
> 
> 
> Brad Bassett
> AEE



Brad Bassett
AEE


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