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

405

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.

406