ABB - Installation Products NPL4X6-G - PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray
ABB - Installation Products

NPL4X6-G

UPC: 704508400347

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Overview

The ABB NPL4X6-G PVC Coated Conduit Nipple is a precision-engineered corrosion-resistant solution for industrial electrical installations requiring durable threaded connections. This 4-inch (103 metric) x 6-inch (152.4 mm) nipple is manufactured from hot-dip galvanized rigid steel, providing a corrosion-resistant base substrate. The interior features a nominal 0.002-inch (2 mil) blue urethane coating for chemical and moisture resistance, while the exterior is protected by a minimum 0.040-inch (40 mil) PVC coating bonded to the steel substrate. Threads are coated with blue urethane to prevent corrosion and ensure smooth assembly. The standard dark gray PVC exterior offers visibility and abrasion resistance, with custom colors available upon request. Designed for harsh environments, the NPL4X6-G is ideal for chemical plants, water treatment facilities, food processing plants, and offshore installations where corrosion resistance is critical. The 40-mil PVC exterior exceeds NEMA RN 1 standards for primary corrosion protection, while the 2-mil internal urethane coating provides consistent protection against internal corrosion. The nipple is pre-threaded for immediate field installation and includes color-coded thread protectors for easy conduit size identification. Compatible with all Ocal-Blue® fittings and PVC-coated conduit systems, this product ensures uniform corrosion protection throughout the electrical system. Key specifications include: 4-inch nominal pipe size (103 metric), 6-inch (152.4 mm) length, hot-dip galvanized steel construction, 0.040-inch minimum PVC exterior coating, 0.002-inch blue urethane interior coating, and blue urethane thread coating. The product is distributed in the US with standard dark gray PVC offering and custom colors available. For installation, refer to ABB installation tooling procedures on pages 94–108 of the catalog.
  • 4" (103 mm) nominal pipe size x 6" (152.4 mm) length
  • Hot-dip galvanized rigid steel substrate
  • 0.040" (40 mil) minimum PVC exterior coating
  • 0.002" (2 mil) blue urethane interior coating
  • Blue urethane thread coating for corrosion resistance
  • Pre-threaded for immediate field installation
  • Color-coded thread protectors for size identification
  • Compatible with Ocal-Blue® fittings and PVC-coated conduit systems
  • Exceeds NEMA RN 1 standards for primary corrosion protection
  • Standard dark gray PVC exterior with custom color options available

Specifications

Application
To Connect Two Fittings
Color
Gray
Finish
Hot-Dipped Galvanized
Finish
Hot Dip Galvanized
Length
6 in
Length
152.4 mm
Material
Steel
Material
Hot-Dip Galvanized Rigid Steel with PVC and Urethane Coating
Material
Hot-Dip Galvanized Rigid Steel with 40 mil PVC Exterior Coating and 2 mil Blue Urethane Interior Coating
Nema Rating
NEMA RN 1
Series
NPL
Size
4 Inch (103 mm) Pipe Size x 6 Inch (152.4 mm) Length
Size
4 Inch (103 Metric) x 6 Inch (152.4 Millimeters)
Special Features
A Minimum .040 Inch (40 Mil) PVC Coating on Exterior
Standard
cULus E46453, CSA, RoHS
Trade Size
4 in , 103 mm
Type
Conduit Fittings-PVC Coated
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
4.150 L
Package Weight (Metric)
1.882 kg
PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray

NPL4X6-GST

PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray
Bridgeport NIP-200300 Rigid Conduit Steel Threaded Nipple 2" X 3"

NIP-200300

Bridgeport NIP-200300 Rigid Conduit Steel Threaded Nipple 2" X 3"
PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray

NPL4X6SA-G

PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray
PVC Coated Conduit Nipple, 2-1/2 Inch/63 Metric Pipe Size x 4 Inch/101.6 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray

NPL21/2X4-G

PVC Coated Conduit Nipple, 2-1/2 Inch/63 Metric Pipe Size x 4 Inch/101.6 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray
PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 3-1/2 Inch/88.9 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Light Blue

NPL3/4X31/2-B

PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 3-1/2 Inch/88.9 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Light Blue
PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 3 Inch/76.2 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray

NPL3/4X3SA-G

PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 3 Inch/76.2 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray
PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray

NPL3/4X6SA-G

PVC Coated Conduit Nipple, 3/4 Inch/21 Metric Pipe Size x 6 Inch/152.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Rigid Aluminum, Gray
PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 8 Inch/203.2 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray

NPL4X8-G

PVC Coated Conduit Nipple, 4 Inch/103 Metric Pipe Size x 8 Inch/203.2 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray

Frequently Asked Questions

What is the outside diameter of the NPL4X6-G?

The outside diameter of the NPL4X6-G is 4.580 inches (116.3 mm).

What is the wall thickness of the NPL4X6-G?

The wall thickness of the NPL4X6-G is 0.246 inches (6.25 mm).

What is the trade size of the NPL4X6-G?

The trade size of the NPL4X6-G is 4 inches.

What is the catalog number for the NPL4X6-G?

The catalog number for the product is NPL4XL-C.

What materials are used in the NPL4X6-G?

The NPL4X6-G is made of PVC coated black pipe and hot dipped galvanized steel.

What is the minimum PVC coating thickness?

The minimum PVC coating thickness on the exterior of the conduit is 0.040 inches (40 mil).

What is the nominal thickness of the urethane coating?

The nominal thickness of the blue urethane coating on the interior is 0.002 inches (2 mil).

What colors are available for the NPL4X6-G?

The NPL4X6-G is available with a blue color thread protector.

What type of thread protectors are used?

The NPL4X6-G features color-coded thread protectors on each end.

Are special lengths available for the NPL4X6-G?

Yes, special lengths for the NPL4X6-G can be requested.

Frequently Asked Questions about ABB - Installation Products

How are Thomas and Betts products typically installed?

Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

What accessories are available for Thomas and Betts products?

Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

What environmental ratings do Thomas and Betts products have?

Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.

What communication protocols do Thomas and Betts products support?

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What are the key features of Thomas and Betts products?

Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.

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What are the main product lines offered by Ocal?

Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.