Description
GRX100 - Appleton - (4) 1" Hubs Type GRX Malleable Iron Conduit Outlet Box
A 1-inch expansion fitting designed to accommodate thermal expansion in rigid conduit systems. It prevents stress on conduit during temperature fluctuations. Typically installed on long outdoor conduit runs. Maintains system integrity and alignment over time.
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 °C to +40 °C.
- Temperature Ranges
- GRTS: Ambient temperature range without drain -40 °C to +60 °C (with drain -25 °C to +40 °C).
- 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.

