Certifications and compliances
- ASTM standard E-119
- NFPA 251
- UL classification per UL standard 1479
- NAVSEA approval – Electric Plant Installation Standard Methods No. S9300- AW-EDG-010/EPISM – TWFS/TWBS assemblies
Crouse-Hinds series Thru-Wall Barrier is designed to provide a seal for cable/conduit penetrations through masonry, concrete or steel. Thru-Wall barriers restrict the entrance of contaminants through cable/conduit penetrations into clean areas, and can be used with most types of power, instrument and control cables as well as conduits.
Sealing block assembly: