All statements, technical information and recommendations contained herein are based on information and tests we believe to be reliable. The accuracy or completeness thereof are not
guaranteed. In accordance with Eaton’s Crouse-Hinds Division’s “Terms and Conditions of Sale,” and since conditions of use are outside our control, the purchaser should determine
the suitability of the product for his intended use and assumes all risk and liability whatsoever in connection therewith.
Eaton’s Crouse-Hinds Division
IF 1937
1201 Wolf Street Syracuse, NY 13208 • U.S.A. Revision 1
Copyright© 2022 New 11/22
WIRING CONNECTIONS
DIMENSIONS (IN INCHES)
EX. ENRX RECEPTACLE
CONNECTION
GFCI
SWITCH
5.91
2.85
GFSX1
Cover &
Sealing
Chamber
REPLACEMENT PARTS
Eaton’s Crouse-Hinds series products are designed
to provide years of reliable performance. However,
should the need for replacement parts arise, they are
available through your authorized Eaton’s Crouse-
Hinds distributor, your local Eaton’s Crouse-Hinds
representative or the Eaton’s Crouse-Hinds Sales
Service Department, 1201 Wolf Street, Syracuse, New
York 13208, Phone 866-764-5454.
TECHNICAL DATA
Hazardous and environmental ratings
Class I, Division 2, Groups B, C, D
EDS back box
Class I, Zone 2, IIA, IIB+H2
Class II, Groups E, F, G; Class III
NEMA 4X
EDS aluminum back box
IP66
NEMA 4
EDS iron back box
Agency certifications
NEC
UL 508, UL 1203, UL 121201
CEC
CSA C22.2 No. 14, No. 25, No. 213
Wire size range
16-10 AWG (1.5 - 4.0 mm2)
Wire temperature limits
16 AWG
15A @ 40°C (104°F)
14 AWG
15A @ 55°C (140°F)
14 AWG
20A @ 40°C (104°F)
12 AWG
20A @ 50°C (122°F)
10 AWG
20A @ 55°C (140°F)
90°C rated insulation min.
Torques in.-lbs. (N‐m)
Captive cover screws
60 (6.8)
Ground screw (with
back box)
18 (2.0)
Electrical ratings
120A
125VAC
5mA trip setting
Temperature range
‐40°C to +55°C (-40°F to +131°F)
Replacement parts
Flange gasket
ENRX K1
Captive cover screw
ENRX K2
Weights* lbs. (kg.)
Single gang
5.2 (2.4)
Double gang
9.2 (4.2)
*Weights are based on aluminum EDS back box.
