On Jan 13, 11:07*am, George wrote:
On 1/13/2013 10:20 AM, wrote:





On Jan 13, 10:01 am, wrote:
On Sun, 13 Jan 2013 05:57:42 -0600, wrote:
A large store downtown has a heavy FOUR wire triplex feeding the
building. *3 wires are black insulated, the other is the bare neutral.

The thing that caught my attention to it, is that the 4th wire is not
connected to anything. *All the triplex I've ever seen is 3 wire, two
are insulated, one is bare. *That's for a standard 240V single phase
system.

Im thinking that this cable was intended to be for three phase wiring..
Three hot, and the neutral. *Is this right?
Maybe that building once had 3 phase service, or they just had that
cable on hand when they wired it, and used what they had...

That says "3 phase".
Three hots and a neutral.

Did you read the part where he says the "neutral"
is not connected to anything? *Sounds like a support
wire to me.

The version on the newsserver I use does not mention anything about the
"neutral" being unconnected.



The confusion is that he first says there are 3 black
wires and a bare neutral. Then he says the "4th wire"
is not connected to anything. Since he was talking
about 3+1 and then says "the 4th wire", I took that
4th wire to be the bare neutral. It's not clear what
the 4th wire is. If the 4th wire is one of the other
three, then I would think he would have said:

There are 3 blacks, one of them is unconnected and
there is a bare neutral. That is the way the rest of you
seem to be interpreting it. Hopefully he'll clarify.