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GB/T 3048.4-2025 Active
GB/T 3048.4-2025 Test methods for electrical properties of electric cables and wires—Part 4:Test of DC resistance of conductors
Abstract
This document describes the test method for the DC resistance of conductors in wires and cables, including test equipment, sample preparation, test conditions, test procedures, test results, and calculations and test records.
This document is suitable for measuring the DC resistance of conductors in wires and cables, with a measurement range of:
—— Two-arm bridge: 1×10-7Ω~99.9Ω;
—— Single-arm bridge: 1Ω and above.
This document is not suitable for measuring the DC resistance of conductors in installed wires and cables.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 3048.4-2025 |
| CCS | Cables and their accessories |
| ICS | Cable |
| Implement Date | 2026-03-01 |
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