Crouse-Hinds series Form 8 and Mark 9 catalog page - Eaton
https://www.eaton.com/content/dam/eaton/products/conduit-cable-and-wire-management/crouse-hinds/catalog-pages/crouse-hinds-form8-mark9-catalog-page.pdf
WEBForm 7 has exclusive SNAPTIGHTTM and wedge nut cover attachment to provide clear, unobstructed cover opening. Are used with blank covers. For Mark 9, can be converted to open type gaskets by tearing out center section along scored lines – 1/2” to 2” sizes. For Form 7 are used with all covers Open gaskets. For Form 8 – 1/2” to 4” sizes.
DA: 50 PA: 39 MOZ Rank: 43