Technical FAQs

Ask a Question

What is the temperature rating of the lugs (supplied by installer) to be used on the terminal pads of SquareD/Schneider Electric`s Ventilated Low Voltage Transformers?

Issue:
Transformer lugs are rated for certain temperatures and conductor types

Product Line:
LV Transformers

Environment:
Applies to Transformer lugs by SquareD/Schneider Electric

Cause:
Conductor temperature tables can be found on NEC table 310.16

Resolution:

The lugs must be UL listed for AL9CU (suitable for aluminum and copper 90degC conductors). The conductors must be rated for 90degC, with the ampacity used from the 75degC column of the appropriate NEC table.


CTA-ID : 2021052

Was this helpful?
What can we do to improve the information ?