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Can a 90degC conductor be used in a switchboard?

Issue:
Can a 90degC conductor be used in a switchboard? 

Product Line:
Switchboards

Environment:

  • QED
  • Speed-D
  • CMM
  • PZ4

Cause:
Installation

Resolution:
75degC cables are generally used if there are not any 100% rated devices in the switchboard. If there are 100% rated devices then 90degC should be used and sized to 75degC cable capacity.

See bulletin 2700DB0203 through Google.

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