Legrand EFB610-CTR - Manual (Page 2)

2a. Concrete pour: Screed the concrete flush with the top
of the mudcap.
2b. Mudcap removal: Remove mudcap from box.
2c. Preparation: Before installing cover, remove any
concrete or preset that has made it’s way onto the trim
flange. Test fit cover onto trim flange to ensure that no
debris is keeping it from laying flush with the top edge of
the trim ring.
NOTE: Plastic trim ring stays in concrete.
Do not remove.