Appleton Appleton ECP and NCP Plugs, 330100 Instruction Sheet

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330100 INSTRUCTION SHEET

Installation & Maintenance Instructions for ECP/NCP Model “E” U-Line® Plugs

RETAIN THIS INSTRUCTION SHEET FOR FUTURE REFERENCE. For safe installation and operation, please read these instructions carefully and with full understanding.

Compliance & Ratings

UL 1203

Class I, Group B, C; Class II, Group F, G; Class III

Electrical Ratings

Maximum Voltage: 125 V or 250 V; Current: 15 A or 20 A; Conﬁguration: 2W, 3P

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, and pumps.

• Locations where damp or corrosive conditions are encountered.

• Class I classied areas such as petrochemical plants, petroleum reneries, paint and chemical plants or any location where ignitable vapors or gases are present.

• Class II locations such as process industries where there are dust hazards from handling such products as our, grain, and starch or any location where ignitable amounts of dust are present or amounts which would otherwise affect performances.

Installation



WARNINGS

• Electrical power must be turned OFF before and during installation and maintenance. Failure to do so may result in serious or fatal injuries due to electrocution.

• Use cable diameters ranging from 0.538 to 0.639 inches. Failure to do so may result in overstressed wire terminations, which may cause the conductors to pull out of the contacts and cause serious/fatal injuries due to electrocution.

• Care must be taken not to cut into the individual conductor insulation when removing the outer cable jacket and to not damage the conductors when removing individual wire insulation. Failure to do so will seriously degrade the electrical properties of the cable and may produce overheating/electrical hazard leading to electrocution.

CAUTION

Before starting the installation, ensure the plug assembly is suitable for the intended location according to the National Electrical Code or Canadian Electrical Code. If the plug assembly is not suitable, serious damage and injuries may result. Owners are responsible for damages or injuries if these rules are not followed.

NOTICE



The plug should be wired with three-conductor, rubber-covered #12 AWG – #14 AWG Type SO or SOOW Cords with copper conductors only.

Appleton • 1.800.621.1506 • www.appletonelec.com

FIGURE 1

330100-000 Rev. F 05/15 • Page 1 of 

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Installing & Wiring

1. To disassemble the device, loosen (do not remove) the two front retaining screws from the plug and remove the plug base assembly from the plug housing.

2. Remove plug base and insulator clamp from the plug housing. Note orientation of insulator clamp before complete removal.

3. Remove the four clamp screws from the insulator clamp.

4. Slide plug housing over cord. The self-sealing neoprene bushing will adjust to the cord diameter.

5. Strip the cable jacket and individual conductors as below:

FIGURE 2

6. Fasten the individual conductor wires to the proper terminals (in the plug base assembly) as follows:

For 125 V: GREEN wire to lug terminal “G”. For 250 V: GREEN wire to lug terminal “G”.

(terminal with grounding strap) (terminal with grounding strap)

WHITE wire to lug terminal with WHITE DOT. Other two wires to remaining lug terminals.

BLACK wire to remaining lug terminal.

FIGURE 3

Tighten the terminal screws to a torque of 15 in.-lb.

7. Slide insulator clamp down the cord and position over terminals. The insulator clamp has two slots which engage with the arc barrier walls, providing proper orientation. Continue to slide the insulator clamp over the cord until it seats against the plug base gasket.

FIGURE 4(

NOTE: Conguration of the plug housing is such that the plug base assembly and insulator clamp assembly can only be installed in one position.

8. Place the cord clamp according to the cable diameter (0.538–0.639 inch) and tighten the four clamp screws to a torque of 15 in.-lb.

NOTE: DO NOT attempt to over-tighten the screws or bottom the clamp.

9. Slide the plug housing over the insulator clamp assembly and tighten the two retaining screws.

Appleton • 1.800.621.1506 • www.appletonelec.com

330100-000 Rev. F 05/15 • Page 2 of 

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Electrical Testing







All wiring must be checked and tested to ensure that all circuits are according to plan and that there are no unwanted opens, shorts, or grounds.

Do not apply power until the following steps are complete:

1. Test the continuity of wiring to verify the correct phasing and grounding connections.

2. Measure the insulation resistance to ensure that the system does not have any short circuits or unwanted grounds.

Maintenance



WARNING

Electrical power must be turned OFF before and during installation and maintenance. Failure to do so may result in serious or fatal injuries due to electrocution.

Electrical and mechanical inspection of all components must be performed regularly. It is recommended that inspections be performed once a year (minimum).

In addition to these required maintenance procedures, we recommend an Electrical Preventive Maintenance program as described in the National Fire Protection Association Bulletin NFPA No. 70B.



WARNING—MODIFICATIONS

Do not modify these devices in any way. Replace any missing or broken parts with proper Appleton replacement parts. Modication of these devices or substitution of parts with non-standard parts may result in serious or fatal personal injury from electrocution.

WARNING—PRODUCT DAMAGE

If any part of the plug appears to be missing, broken, or show signs of damage—discontinue use immediately! This condition could cause serious or fatal personal injury due to electrocution and/or equipment damage. Repair with the proper Appleton replacement part(s) before continuing service.

During the inspections, perform the following steps:

1. Inspect all contact wire terminals for tightness and retorque if necessary. NOTE: Discoloration due to excessive heat is an indicator

of potential issues and should be throughly investigated and repaired as necessary.

2. ECP Plugs: Check grounding and bonding for correct installation. Secure connections and retorque if necessary.

3. Check gaskets for deterioration and replace if necessary.

4. Clean exterior surfaces to ensure the nameplates remain legible.

5. Inspect cable grip tightness to ensure proper cord/cable gripping.

6. Torque all screws as described in the “Installation” section before reusing the device.

7. Inspect all parts and replace those which are broken or excessively worn.

8. Check the contacts for signs of excessive arcing or burning and replace if necessary.

Features

• Solderless lugs on all terminals are pressure-type to facilitate wiring.

• Heavy-duty cable grip exceeds UL Standard 1203, 150 lb. pull-out test for classied locations.

• Twisting plug locks in place and cannot be accidentally pulled out.

• Longer plug housing for better gripping and easier plug insertion/withdrawal.

• Special neoprene plug bushing accommodates exible cord ranging from 0.538 to 0.639 inch diameter.

Appleton • 1.800.621.1506 • www.appletonelec.com

330100-000 Rev. F 05/15 • Page 3 of 

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Shaded areas below indicate plug is suitable for Class I, Group B in addition to

Class I, Groups C and D; Class II, Group F, G; and Class III

The following plugs are designed for use in Class I, Groups B, C, and D; Class II Group F, G; and Class III, Div. I and Div. II hazardous locations and any standard U-Ground receptacle in non-hazardous areas.

Plug catalog numbers ECP-1523, ECP-2023, NCP-1523 and NCP-2023 are for use with the following receptacles. (Cat. No. followed by “M” indicates malleable iron receptacle housing.)

EFS150-2023 EFSC150-2023 EFSB150-2023 EFSCB150-2023 EFS250-2023 EFSC250-2023

EFS175-2023 EFSC175-2023 EFSB175-2023 EFSCB175-2023 EFS275-2023 EFSC275-2023

EFS110-2023 EFSC110-2023 ECCL-2023 ECH-2023 EFS210-2023 EFSC210-2023

EFSR2023 ECC-2023 N1D75-2023 ECHT-2023 N2D75-2023

N1DC75-2023 N2DC75-2023

Plug catalog numbers ECP-1523 and NCP-1523 may also be used with the standard 15 Amp and 20 Amp, 125 V.A.C. U-Ground receptacles in non-hazardous areas, and plug catalog numbers ECP-2023 and NCP-2023 may also be used with the standard 20 Amp, 125 V.A.C. U-Ground receptacle in non-hazardous areas.

Plug catalog numbers ECP-20232 and NCP-20232 are for use with the following receptacles. (Cat. No. followed by “M” indicates malleable iron receptacle in non-hazardous areas.)

EFS150-20232 EFSC150-20232 EFSB150-2023 EFSCB150-20232 EFS250-20232 EFSC250-20232

EFS175-20232 EFSC175-20232 EFSB175-20232 EFSCB175-20232 EFS275-20232 EFSC275-20232

EFS110-20232 EFSC110-20232 ECCL-20232 ECH20232 EFS210-20232 EFSC210-2023

EFSR-20232 ECC-2023 N1D75-20232 ECHT20232 N2D75-20232

N1DC75-20232 N2DC75-20232

Plug catalog numbers ECP-20232 and NCP-20232 may also be used with the standard 20 Amp, 250 V.A.C. U-Ground receptacle in non-hazardous areas.

The ECP and NCP plugs should be wired with three-conductor rubber-covered No 12 thru 14 type 14 type SO cords. They have

a self-sealing neoprene bushing which accommodates flexible cord ranging from 0.538 to 0.639 inch diameter.GLDPHWHU

Operation

1. Lift the receptacle door and insert the plug all the way into the receptacle.

2. Turn the plug clockwise (limit 37 degrees). This will close the internal contacts and complete the circuit.

3. To remove the plug, push it inward and turn counter-clockwise.

Speciﬁcations

Table 1: Speciﬁcations

Ampere NEMA Conﬁguration* Wire & Pole Cable Diameter

15 5-15-P 2W, 3P

20 5-20-P 2W, 3P ECP-2023

20 6-20-P 2W, 3P ---

*Plugs also t NEMA 5-15R, 5-20R or 6-20R receptacles in non-classied areas.

0.538–0.639 in.

ECP-1523

Catalog Number

125 V 250 V

---

ECP-2032

Appleton • 1.800.621.1506 • www.appletonelec.com

330100-000 Rev. F 05/15 • Page 4 of 

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Intermateability—Plugs & Receptacles

Table 2

Appleton

Plug Rating

125 V, 15 A, 1hp ECP-1523 NCP-1523 125 V, 20 A, 1hp EFSR-2023 UGRO-20231 ENR-5201 --- --- ---

125 V, 20 A, 1hp 125 V, 15 A, 1hp

125 V 20 A, 1hp 125 V, 15 A, 1hp

125 V, 20 A, 1hp 125 V, 15 A, 1hp

125 V, 20 A, 1hp 125 V,15 A, 1hp

125 V, 20 A, 1hp 125 V, 15 A, 1hp

125 V, 20 A, 1hp ECP-2023 NCP-2023 125 V, 20 A, 1hp

Appleton

“ECP” Plug

Cat. No.

ECP-2023 ECP-1523

Appleton

“NCP” Plug

Cat. No.

NCP-2023 NCP-1523

Receptacle

Rating

125 V, 20 A, 1hp 125 V, 20 A, 1hp

Appleton

Receptacle

Cat. No.

EFS150-2023 UGR1-20231 ENR-11201 1 ½ 1

EFS175-2023 UGR2-20231 ENR-21201 1 3/4 1

EFS110-2023 UGR3-20231 ENR-31201 1 1 1

EFSC150-2023 UGR4-20231 ENRC-11201 2 ½ 1

EFSC175-2023 UGR5-20231 ENRC-21201 2 ¾ 1

EFSC110--2023 UGR6-20231 ENRC-31201 2 1 1

EFS250-2023 UGR7-20231 ENR-12201 1 1/2 2

EFS275-2023 UGR8-20231 ENR-22201 1 ¾ 2

EFS210-2023 UGR9-20231 ENR-32201 1 1 2

EFSC250-2023 UGR10-2023 ENRC-12201 2 1/2 2

EFSC275-2023 UGR11-2023 ENRC-22201 2 3/4 2

EFSC210-2023 UGR12-20231 ENRC-32201 2 1 2

Killark

Receptacle

Cat. No.

Crouse-

Hinds

Receptacle

Cat. No.

No. of

Conduit

Openings

Hub Size

in.

No.

Gangs

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSR-20232 UGR0-20232 ENR-6202 – – –

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp ERFS150-20232 UGR1-20232 ENR-11202 1 ½ 1

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFS175-20232 UGR2-20232 ENR-21202 1 ¾ 1

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFS110-20232 UGR3-20232 ENR-31202 1 1 1

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC150-20232 UGR4-20232 ENRC-11202 2 ½ 1

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC175-20232 UGR5-20232 ENRC-21202 2 3/4 1

250 V, 20A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC110-20232

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFS250-20232 UGR8-20232 ENR-12202 1 1/2 2

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFS275-20232 UGR8-20232 ENR-22202 1 3/4 2

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFS210-20232 UGR9-20232 ENR-32202 1 1 2

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC250-20232 UGR10-20232 ENRC-12202 2 ½ 2

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC275-20232 UGR11-20232 ENRC-22202 2 3/4 2

250 V, 20 A, 2hp ECP-20232 250 V, 20 A, 2hp EFSC210-20232 UGR12-20232 ENRC-32202 2 1 2

UGR6-20232 ENRC-31202 2 1 1

NOTE: The Appleton “ECP” or “NCP” “D” Plug and “EFS” Receptacle is a UL Listed Combination. The Appleton Series “ECP” or “NCP” Model “D” Plug with Killark UL Listed “UGR” Series Receptacle or with Crouse-Hinds UL Listed “ENR” Series Receptacle

is a UL Listed Classied Combination.

Appleton • 1.800.621.1506 • www.appletonelec.com

330100-000 Rev. F 05/15 • Page  of 

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Product Safety Information

Signal Words Defined

DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE is used to address practices not related to physical injury.

Safety Instructions

WARNING—MODIFICATIONS

Do not modify these devices in anyway. Replace any missing or broken parts with proper Appleton replacement parts. Modification of t hese devices or substitution of parts with non-standard parts may result in serious or fatal person injury from electrocution.

WARNING—PRODUCT DAMAGE

If any part of the plug appears to be missing, broken, or show signs of damage—discontinue use immediately! This condit ion could cause serious or fatal personal injury due to electrocution and/or equipment damage. Repair with the proper replac ement part(s) before continuing service.

WARNING—ELECTRICAL

Electrical power must be turned OFF before and during instal lation and maintenance. Failure to do so may result in serious or fatal injuries due to electrocution

WARNING—WIRING

Plug and cord connectors are rated for use with Type SO cord with copper conductors ONLY.

Except as expressly provided by Appleton Grp, LLC (Appleton), Appleton products are intended for ultimate purchase by industrial users and for operation by persons trained and experienced in the use and maintenance of this equipment and not for consumers or consumer use. Appleton warranties DO NOT extend to, and no reseller is authorized to extend Appleton’s warranties to any consumer.

While every precaution has been taken to ensure accuracy and completeness in this manual, Appleton Grp, LLC. assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Specifications are subject to change without notice. The Appleton and Emerson logos are registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their registered owners. ©2015 Appleton Grp, LLC. All rights reserved.

330100-000 Rev. F 05/15 • Page  of 

Appleton Appleton ECP and NCP Plugs, 330100 Instruction Sheet

Specifications and Main Features

Frequently Asked Questions

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