Appleton U-Line™ N1 and N2 Series 20 Amp Receptacles Catalog Page
U-Line™ N1 and N2 Series 20 Amp Receptacles
With Explosionproof Nonmetallic Intraground™ Enclosure
125 Vac, 20 Amp, 1 HP; 250 Vac, 20 Amp, 2 HP. Dead-Front Safety Construction.
NEC — N1 Series (Non-Factory Sealed):
Class I, Division 1, Groups C, D
Class I, Division 2, Groups B, C, D
NEMA 3, 3R, 3RX, 4X, 7CD
NEC — N2 Series (Factory Sealed):
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
NEMA 3, 3R, 3RX, 4X, 7BCD, 9FG
Applications
• Locations where receptacles are used with stationary or
portable electrically operated devices such as:
— Lighting systems
— Conveyors
— Heaters
— Motor-generator sets
— Air conditioners
— Compressors
— Pumps
• Locations where damp or corrosive conditions exist.
Features
• Nonmetallic construction with metal imbedded grounding grid
eliminates need for extra grounding components.
• Feed-thru or dead-end grounded 1/2” or 3/4” conduit openings
for threaded conduit via provided 1/2” or 3/4” reducers.
• Special grounding wire provides safe grounding when cover is
removed.
• Excellent resistance to ultraviolet light, water, fungi and mold.
• Excellent conduit connection strength.
• Superior ammability resistance.
• Enclosure walls are 5/16” thick.
• Silicone gasket, specially designed for the labyrinth-path joint,
prevents entrance of moisture without interfering with the
venting of cooled hazardous gases and vapors.
• Explosionproof when sealing ttings (sold separately) are
installed at each conduit entrance of the N1 enclosure.
Materials
• N1 enclosure: natural color, high strength 30% glass-
reinforced thermoplastic polyetherimide
• N2 enclosure: blue color, high strength 30% glass-reinforced
thermoplastic polyetherimide
• Gasket: silicone
NEC Certifications
• UL Standard: UL 1010 (UL 1203)
• UL Listed: E10784
and Compliances
Related Products
• Sealing tting must be installed at each conduit entrance of
the N1 enclosure to be explosionproof. See Hazardous
Fittings Section.
Illustrated Features
Unique labyrinth-path construction assures flame-tight joint
between body and cover.
Aluminium grounding grid, imbedded into the nonmetallic
enclosure during molding, provides complete grounding system.
No field work. No extra grounding wires or parts required.
Plugs and RecePtacles: nec/cec HazaRdous location
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U-Line™ N1 and N2 Series 20 Amp Receptacles
With Explosionproof Nonmetallic Intraground™ Enclosure
125 Vac, 20 Amp, 1 HP; 250 Vac, 20 Amp, 2 HP. Dead-Front Safety Construction.
NEC — N1 Series (Non-Factory Sealed):
Class I, Division 1, Groups C, D
Class I, Division 2, Groups B, C, D
NEMA 3, 3R, 3RX, 4X, 7CD
Aluminum Epoxy Coated Receptacle with Nonmetallic Enclosure
Dead-End
Feed-Thru
NEC — N2 Series (Factory Sealed):
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
NEMA 3, 3R, 3RX, 4X, 7BCD, 9FG
Hub Size
(Inches) Wire/Pole Volts
1/2 or 3/4 2W, 3P
1/2 or 3/4 2W, 3P
1/2 or 3/4 2W, 3P
1/2 or 3/4 2W, 3P
125
250
125
250
Catalog Number
N1 Series N2 Series
N1D75-2023 N2D75-2023
N1D75-20232 N2D75-20232
N1DC75-2023 N2DC75-2023
N1DC75-20232 N2DC75-20232
Dimensions in Millimeters (Inches)
Front View Side View
Plugs and RecePtacles: nec/cec HazaRdous location
Furnished with a 1/2" to 3/4" reducer for each hub.
Sealing fittings must be field installed adjacent to N1 receptacle enclosure on all conduit runs.
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