8 82angelfan Member Location Hesperia, Ca Dec 9, 2020 #1 Has anyone ever had to wrap legrand walker duct or B-line pull boxes. I was always under the impression they are 1hr rated. Attachments 16075323940961043336809780970123.jpg 286.4 KB · Views: 23
Has anyone ever had to wrap legrand walker duct or B-line pull boxes. I was always under the impression they are 1hr rated.
