Appleton EFD275-NL-Q Two-Gang Dead-End Backbox

The Appleton EFD275-NL-Q is a two-gang dead-end backbox cast in iron, designed to enclose two side‑by‑side devices in hazardous-location installations.

It features a 3/4 in hub size, gray malleable-iron construction, and lug mounting for a rugged, reliable enclosure. External dimensions are 6-1/8 in (H) × 6-3/16 in (W) × 5 in (D), with an internal box height of 4-5/8 in to accommodate two devices in a dead-end configuration.

Certified for demanding environments, this backbox carries NEMA ratings of 3, 7CD, and 9EFG and is UL-listed for UL 508, UL 698, and UL 1203, with cULus listings E10449 and E81751. It is suitable for Class I, Division 1 and 2 (Groups C and D), Class II Division 1 and 2 (Groups E, F, G), and Class III installations. Made in Mexico, the EFD275-NL-Q is intended for use with Appleton EFD/EFDB and related control-station equipment in harsh or hazardous settings.

• Gangs: 2
• Hub size: 3/4 in (dead-end)
• Material: Iron; Color: Gray
• Overall dimensions: 6-1/8 in H × 6-3/16 in W × 5 in D
• Box height (internal): 4-5/8 in
• NEMA rating: 3; 7CD; 9EFG
• UL/cUL listings: UL 508, UL 698, UL 1203; cULus E10449, E81751
• Hazardous locations: Class I, Div 1 & 2 (Groups C, D); Class II Div 1 & 2 (Groups E, F, G); Class III
• Origin: Mexico