Certificates and Conformities
NECK
- Class I, groups B*, C, D
- Class II, groups E, F, G
- Class III
- NEMA 3, 7B*CD, 9EFG
- UL standard: UL1203
- As indicated in the catalog listings, some units may be rated for Class I, Division 1, Group B (NEMA 7B). Seals must be installed within 1-1/2 inches of each conduit opening.
*Class I, Group B Option: Units can be modified for use in Class I, Division 1, Group B. Add the suffix "GB" to the end of the catalog number. Seals must be installed within 1-1/2 inches of each conduit opening.
Design Features
- Small, compact housings with precision-ground flanges on the body and lid to ensure a tight seal
- Available in red for fire alarms
Standard materials
- Body – Feraloy iron alloy (standard); copper-free aluminum (optional)