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Customer asks what is the difference between the now obsolete 9999NT13 and its suggested replacement, the 9080MH339?

Issue:
9999NT13 and 9080MH339 difference

Product Line:
Terminal Blocks

Environment:
Square D NEMA Sectional Terminal Blocks 9080G

Resolution:
The 9999NT13 was aluminum whereas the 9080MH339 is galvanized steel. The dimensions are the same except the pre-punched holes have a different spacing.