U-Line
™
Interchanger 15 and 20 Amp Plugs
For U-Line™ Receptacles.
These watertight plugs also fit NEMA 5-20R or 6-20R receptacles in nonclassified areas. Choice of Aluminum or Thermoplastic Polyester Plug.
NEC/CEC:
Class I, Division 1 and 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
Class III
NEMA Type 4, when unmated
Applications
• U-Line™ Interchanger ECP plug: suitable for use in such areas
as reneries, petrochemical plants, and other areas subject to
where ignitable gases are present.
• NCP Plug: ideal where moisture or corrosion is a constant
problem, such as production facilities on marine platforms, and
pipeline transportation facilities.
• Ideal for use with the following Appleton™ receptacles:
— U-Line™ Factory Sealed 20 Amp Receptacles
— U-Line™ 20 Amp Portable Receptacle with GFCI
— U-Line™ 20 Amp ECH/ECHT Panel Mounting Receptacles
— U-Line™ Contender™ Factory Sealed 20 Amp Receptacles
— U-Line™ N1 Series 20 Amp Receptacles
— U-Line™ N2 Factory Sealed 20 Amp Receptacles
— U-Line™ ECS Factory Sealed 15 and 20 Amp Receptacles
— U-Line™ ECCL/ECC Factory Sealed 20 Amp Cable
Connectors
Features
• Watertight. Helping to reduce the risks of power outages,
and damage to vital equipment, this solution protects against
ingress of water, even when the plug is not mated, eliminating
the risk of short circuits in receptacles and equipment due to
damaged plugs.
• Easy to Wire. Dependable in virtually any environment or
weather condition, this easy-to-wire solution offers large easy
to access terminals, and standard size combination screws to
eliminate the need for special tools.
• Unique blade-type, brass contacts exert constant pressure
along entire contact surface and provide superior electrical
contact.
ECP Aluminum Plug NCP Thermoplastic Polyester Plug
• Insulators provide superior dielectric and mechanical strength
and lowest arc tracking.
• Longer plug housing for better gripping and easier plug
insertion and withdrawal.
• Plugs ts any standard non-explosionproof receptacle
(NEMA 5-20R, or 6-20R) as well as U-Line™ explosionproof
receptacles.
• ECP plug: a twist of the plug produces audible ”click” to
indicate fast make and break of built-in switch contacts.
Twisting plug locks it in place and cannot be accidentally pulled
out.
• NCP plug: special neoprene watertight plug bushing
accommodates exible cord ranging from .538” to .639”
diameter.
Standard Materials
• ECP plug: copperfree (less than 4/10ths of 1%) aluminum
• NCP plug: 30% glass-reinforced thermoplastic polyester
PLUGS AND RECEPTACLES: NEC/CEC HAZARDOUS LOCATION
NEMA Plug Configurations
Amp Wire/Pole
U-Line™ Interchanger ECP Aluminum Plug
15 2W, 3P .538 to .639 ECP-1523 —
20 2W, 3P
20 2W, 3P
U-Line™ Interchanger NCP Thermoplastic Polyester Plug
15 2W, 3P
20 2W, 3P
20 2W, 3P
Watertight when unmated.
Cable Dia.,
(Inches)
.538 to .639 ECP-2023 —
.538 to .639 NCP-1523 —
.538 to .639 NCP-2023 —
Catalog Number
— ECP-20232
— NCP-20232
Dimensions in Millimeters (Inches)5-15P 5-20P 6-20P 125 Vac 250 Vac