---
title: "Shielded Cable Harness"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SHIELDED_CABLE_HARNESS"
  data_integrity_hash: "7f2a219163ff3d78b797429bcdb33a2f"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:SHIELDED_CABLE_HARNESS"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/shielded-cable-harness.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/shielded-cable-harness"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-600 V DC, -40°C to 125°C, 0-100% relative humidity"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 40
    unit: "dB"
    consequence: "Shield discontinuity creates EMI leakage paths exceeding skin depth at critical frequencies, dielectric breakdown occurs at 15 kV/mm electric field strength, polymer insulation undergoes glass transition above 150°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Shield termination impedance mismatch exceeding 5 Ω differential"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement 360-degree circumferential shield termination with impedance matching to 1 Ω tolerance"
  - node_2:
      trigger: "Cable bending radius violation below 8× cable diameter"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install strain relief fixtures maintaining minimum 10× cable diameter bend radius with 15 N·m torque limit"
bom_nodes:
  shielded-individual-cables:
    type: "component"
    urn: "URN:CNFX:ME:SHIELDED_INDIVIDUAL_CABLES"
    interface_type: "physical-logic-coupled"
  connectors:
    type: "component"
    urn: "URN:CNFX:ME:CONNECTORS"
    interface_type: "physical-logic-coupled"
  outer-protective-sheath:
    type: "component"
    urn: "URN:CNFX:ME:OUTER_PROTECTIVE_SHEATH"
    interface_type: "physical-logic-coupled"
  strain-relief:
    type: "component"
    urn: "URN:CNFX:ME:STRAIN_RELIEF"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/shielded-cable-harness.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "5ec7e4ee3e229141dddd914cc8f006a8c92a9f00a3f2d682c3622190d342cbaa"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Shielded Cable Harness

## 1. Technical Definition
A shielded cable assembly designed to transmit electrical signals while protecting against electromagnetic interference (EMI) and radio frequency interference (RFI).

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-600 V DC, -40°C to 125°C, 0-100% relative humidity**. Failure boundary: **Shielding effectiveness drops below 40 dB at 1 GHz, insulation resistance falls below 100 MΩ at 500 V DC, conductor temperature exceeds 150°C**, Mechanism: **Shield discontinuity creates EMI leakage paths exceeding skin depth at critical frequencies, dielectric breakdown occurs at 15 kV/mm electric field strength, polymer insulation undergoes glass transition above 150°C**.

### 2.1 Analytical Physics Model
Governed by the **EMI Shielding Effectiveness (SE)**:

> **Primary Equation**: $SE = 20 \log(\frac{E_{in}}{E_{out}})$  
> **Engineering Impact**: Ensures control stability in high-frequency inverter zones.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| E_{in} | Incident Field | Engineering Constant |
| E_{out} | Transmitted Field | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Shield termination impedance mismatch exceeding 5 Ω differential | 8 | Common-mode noise coupling increases by 20 dB, causing signal-to-noise ratio degradation below 10 dB | Implement 360-degree circumferential shield termination with impedance matching to 1 Ω tolerance |
| Cable bending radius violation below 8× cable diameter | 8 | Shield braid deformation creates apertures larger than λ/20 at 1 GHz, reducing shielding effectiveness by 30 dB | Install strain relief fixtures maintaining minimum 10× cable diameter bend radius with 15 N·m torque limit |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Cable Cutting and Stripping Machine**, **Crimping Press**, **Shielding Effectiveness Tester**  
**Downstream Applications**: Medical Imaging Equipment, Telecommunications Infrastructure, Aerospace Avionics Systems  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What are the key benefits of using a shielded cable harness in electronic manufacturing?
**A**: Shielded cable harnesses provide critical protection against electromagnetic interference (EMI) and radio frequency interference (RFI), ensuring signal integrity, reducing data errors, and improving overall system reliability in sensitive electronic applications.

### Q: How does the dual shielding (copper braid + aluminum foil) enhance performance?
**A**: The combination of copper braid shielding (for high-frequency interference) and aluminum foil shielding (for low-frequency interference) creates comprehensive EMI/RFI protection across a broad frequency spectrum, offering superior performance compared to single-shield designs.

### Q: What industries commonly use these shielded cable assemblies?
**A**: These harnesses are essential in computer manufacturing, telecommunications equipment, medical devices, industrial automation systems, aerospace electronics, and any application where signal integrity must be maintained in electrically noisy environments.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Shielded Cable Harness](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/shielded-cable-harness)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: SHIELDED_CABLE_HARNESS | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 47a37d4f
