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Why can't one order a merchandised I-line, 120/240V, mid point ground, 3 phase, 4 wire panel?


Issue:
Why can't  one order a merchandised I-line, 120/240V, mid point ground, 3 phase, 4 wire panel?

Product Line:
I-Line Panelboards sold and supported in the USA.

Environment:
Application 

Cause:
Availability

Resolution:
The selectors apparently lead to factory assembled panels . However , the instruction book with an RTI I-Line says this panel can be used on a high leg system  so it is acceptable for this use.

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