Editorial Technical Reference

Industrial Wire Harness Conduit Fitting

This page explains how Industrial Wire Harness Conduit Fitting is classified within Manufacture of Wiring and Wiring Devices. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A mechanical component that securely connects and seals conduit to electrical enclosures or junction boxes.

View Full Specifications Explore Manufacturing Sources
Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Industrial Wire Harness Conduit Fitting

Definition
An industrial wire harness conduit fitting is a critical component used to create a secure, sealed, and strain-relieved entry point for electrical conduit into control panels, junction boxes, or machinery enclosures. It protects internal wiring from environmental contaminants such as dust, moisture, and oils, while also providing mechanical support to prevent damage from vibration or cable pull. These fittings ensure electrical safety by maintaining the integrity of the enclosure's ingress protection (IP) rating and are essential for organized cable management in complex industrial systems. The fitting is typically threaded onto the conduit and then tightened into a pre-tapped hole in the enclosure. A locknut or sealing ring compresses against the enclosure wall, creating a mechanical grip and an environmental seal. An internal gland or bushing may grip the conduit to provide strain relief. Available materials include zinc-plated steel, stainless steel (304/316), and nylon (PA6). Key parameters include conduit size (NPT) from 1/2 to 2 inches, mounting thread size from 1/2 to 2 inches, ingress protection rating from IP66 to IP68, maximum conduit outer diameter of 60.3 mm, material grade 304/316, operating temperature range from -40 to 85 °C, operating pressure from 1.0 to 1.6 MPa, tensile strength of at least 520 MPa for 304 stainless steel, sealing performance from 0.1 to 0.5 MPa, corrosion resistance of at least 500 hours salt spray, weight from 0.15 to 1.20 kg, and thread tolerance of ±0.05 mm. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. Standards such as ANSI/ASME B1.20.1, IEC 60529, ASTM A240, and ASTM B117 are referenced for verification, but do not imply certification or compliance of any specific product.
Working Principle
The fitting is threaded onto the conduit and then tightened into a pre-tapped hole in an enclosure. A locknut or sealing ring compresses against the enclosure wall, creating a mechanical grip and an environmental seal. An internal gland or bushing may grip the conduit to provide strain relief. The design ensures that the conduit is securely held, preventing pull-out and vibration damage, while maintaining the IP rating of the enclosure. The sealing mechanism prevents ingress of dust and moisture, and the materials are chosen for corrosion resistance and durability in industrial environments.
Common Materials
Zinc-Plated Steel, Stainless Steel (304/316), Nylon (PA6)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Conduit Size (NPT)Required1/2–2 inchNominal pipe thread size for the attached conduit (e.g., 1/2", 3/4").ANSI/ASME B1.20.1
Mounting Thread SizeRequired1/2–2 inch or mmThread size and type for securing the fitting to the enclosure.ANSI/ASME B1.20.1
Ingress Protection (IP) RatingRequiredIP66–IP68 IP Code (e.g., IP54, IP67)Sealing effectiveness against solids and liquids.IEC 60529
Maximum Conduit ODRequired60.3 mmMaximum outer diameter of conduit the fitting can accommodate.
Material GradeRequired304/316 N/ASpecific material specification (e.g., SS316, Zn-Plated Stl).ASTM A240
Operating Temperature Range-40–85 °CAmbient temperature range for reliable performance.
Tensile Strength≥520 MPaFor 304 stainless steel.ASTM A240
Sealing Performance0.1–0.5 MPaLeak-tight under specified pressure.IEC 60529
Corrosion Resistance≥500 h (salt spray)No red rust after test.ASTM B117
Weight0.15–1.20 kgDepends on size and material.
Thread Tolerance±0.05 mmEnsures proper fit and seal.ANSI/ASME B1.20.1

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Body Part
    Main structural component with mounting threads.
    Material: Zinc-Plated Steel or Stainless Steel
  • Locknut Part
    Secures the fitting against the enclosure wall.
    Material: Zinc-Plated Steel or Stainless Steel
  • Sealing Ring/Gasket Part
    Creates an environmental seal between fitting and enclosure.
    Material: Neoprene or Silicone
  • Conduit Gland/Bushing Optional Part
    Grips the conduit to provide strain relief and sealing.
    Material: Nylon or Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Industrial Wire Harness Conduit Fitting.

conduit connector cable gland for conduit strain relief fitting enclosure entry fitting

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 150 psi
other spec: IP68/NEMA 6P ingress protection rating
temperature: -40°C to 105°C
Media Compatibility
✓ Nylon conduit ✓ Liquid-tight flexible metal conduit ✓ PVC-coated wire harnesses
Unsuitable: High-pressure hydraulic fluid environments
Sizing Data Required
  • Conduit outer diameter (OD)
  • Enclosure entry thread specification (NPT, PG, metric)
  • Wire bundle diameter

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced degradation
Cause: Exposure to moisture, chemicals, or salt-laden environments leading to galvanic corrosion between dissimilar metals or oxidation of components, compromising structural integrity and electrical continuity.
Mechanical fatigue and loosening
Cause: Vibration, thermal cycling, or improper installation causing stress fractures, thread wear, or loss of clamping force, resulting in conduit detachment or wire damage from movement.
Maintenance Indicators
  • Visible corrosion, rust, or white powdery deposits on fitting surfaces or adjacent components
  • Audible rattling, buzzing, or scraping noises from the conduit during equipment operation indicating loose fittings
Engineering Tips
  • Apply appropriate anti-corrosion coatings or use corrosion-resistant materials (e.g., stainless steel, galvanized fittings) matched to the operating environment, and ensure proper sealing with waterproof gaskets or compounds
  • Implement torque-controlled installation using calibrated tools, and schedule periodic inspections for tightness with vibration-damping solutions like lock washers or thread-locking adhesives in high-vibration areas

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/UL 514B Standard for Conduit, Tubing, and Cable Fittings DIN EN 60423 Conduits for electrical purposes - Outside diameters of conduits for electrical installations and threads for conduits and fittings

Quoted from the published standard.

Manufacturing Precision
  • Thread pitch: +/-0.05mm per thread
  • Concentricity: 0.15mm maximum deviation
Quality Inspection
  • Pressure Test (IP rating validation)
  • Dimensional Verification with CMM

Manufacturers of Industrial Wire Harness Conduit Fitting

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Ningbo Xiatao Plastic Industry Co.,Ltd
Zhejiang, CN
Also makes: Zinc Die Casting, Junction Box, Aluminum Cable Gland
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical IP rating for these fittings?

The ingress protection rating ranges from IP66 to IP68, but the actual rating depends on the specific model and installation. Always verify with the manufacturer.

What materials are available?

Common materials include zinc-plated steel, stainless steel (304/316), and nylon (PA6). The choice depends on the environment and required corrosion resistance.

How do I select the correct size?

Select based on the conduit size (NPT) and mounting thread size, which range from 1/2 to 2 inches. Also consider the maximum conduit outer diameter of 60.3 mm.

What standards apply?

Relevant standards include ANSI/ASME B1.20.1 for threads, IEC 60529 for IP ratings, ASTM A240 for material, and ASTM B117 for corrosion testing. These are references for verification.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Industrial Wire Harness Conduit Fitting

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Industrial Wire Harness Conduit Fitting?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Industrial Power Connector Terminal Block
Next Product
Industrial Wire Harness Strain Relief Bushing
Get QuotesChat