do not reuse the old wirenuts they are not rated to the correct temp for a 90C fixture
This never ends. How do we tell what temp. wirenuts we have?
"Standard (non-high temperature) xxxxx wire connectors will begin to soften at approximately 261 deg. C - the bottom of the melting range for
polypropylene. High temperature models (black Wire-Nut brand connectors) do not begin to soften until approximately 320 deg C."