Description
GRX75 - Appleton - (4) 3/4" Hubs Type GRX Malleable Iron Conduit Outlet Box
The GRX75 is a 3/4-inch conduit expansion fitting designed for mid-size conduit systems. It manages mechanical stress from environmental changes like heat or vibration. Ensures connections remain tight and damage-free. Common in outdoor and rooftop electrical runs.
GENERAL SPECIFICATIONS
- NEC/CEC Certifications and Compliances
- GR/GRF: Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III; NEMA 3, 4, 4X; Class 1, Zone 1 and 2, IIA, IIB
- NEC/CEC Certifications and Compliances
- GRTS: Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III; NEMA 3, 4, 4X; Class 1, Zone 1 and 2, IIA, IIB, IP66 (without drain)
- Temperature Ranges
- GR/GRF: Ambient temperature range -25 degC to +40 degC.
- Temperature Ranges
- GRTS: Ambient temperature range without drain -40 degC to +60 degC (with drain -25 degC to +40 degC).
- Standard Materials and Finishes
- Ductile iron body with triple-coat finish (1) zinc electroplate, (2) chromate, and (3) epoxy powder coat; copperfree (4/10 of 1% max.) aluminum body and cover with epoxy powder coat
- Options
- GR and GRF: Ductile iron body and cover and the conduit outlet box without a cover is available. GRTS: factory installed drain and terminal blocks.

