I don't know how to resolve "15 nodes" and Bussmann Pt to pt.
The brochure is available here.
Link Bussmann point to point.
I suspect that by the time you get done programming an Excel spreadsheet to follow the point to point method, you will be very expert.
Link Cooper Bussmann software...
Ahhh - I can't see the pictures
(edit to addOkay - just reloaded and now I can
Harmless flakes working together can unleash an avalanche of destruction
ASSFLOWA -
Where is it leaking? Slobbering out the stack?
Valve cover gaskets or the like?
Harmless flakes working together can unleash an avalanche of destruction
Look at 430.32.A.1 and 430.32.C
Overloads are set by the specific motor nameplate FLC, not from T430.250.
However 430.250 lists 27A FLC as typical for a 20 HP
As an example:
Using a 20 HP motor, 27A flc and 1.15 sf, the overload normal setting is 125% X FLA = 1.25 X 33.8A
And, per 430.3.C...
I work under US law and NEC. If you are not, substitute what fits.
I'm a field dog, not a designer. And I'm getting ready to retire after 50 years of this. Could be there is much better, more current thinking:
PE ticket requires 24 hours CE biannual. Electrical Administrator (called a...
Bill -
You get to say anything you want.
Apparently if I disagree my post gets deleted.
Interesting concept.
Unlike you, I could be in error. That was 35 years ago and I was not the engineer of record.
Just curious - Where were you in 1985 - 1987? This was in Sitka.
We did have a guy named...
Disclaimer - I am not a crane drive specialist.
I have only been involved with one of these conversions. It was one of the most tangled, piss-poor jobs I have ever been next to. This was 35 years ago. I may (likely) not remember all. I'll keep the names secret to protect the guilty.
The...
Disclaimer: All my experience is with CI, D1, or D2 - no Zones. So there could be minor differences.
I have never seen oil filled transformers in classified areas. Probably because of all the protective switches, oil level, winding temperature, rapid rise ... I've never seen any that were...
Assumption: installation is per NEC 2017
NEC sections are 210.21 and 210.23
The short answer is to put in a DPDT 60A Switch, such as a generator transfer switch
example SQD DTU223RB List price is $1300
Residential example:
Home Depot 100A GE, Nema 3R
$140
You didn't ask, but there are...
Thanks for the response. I wasn't ignoring you, just out on a job for a few weeks.
So, no known supplier?
Harmless flakes working together can unleash an avalanche of destruction
Has anyone seen fine strand aluminum - copper coated strands, 2/0 - 350kcmil range? I envision something similar to DLO.
I have heard of it. However, I have never seen any.
Has anybody heard of a supplier?
Harmless flakes working together can unleash an avalanche of destruction