What is AWG and how do I convert between AWG and mm²?

AWG (American Wire Gauge) is an American standard for wire diameter — counterintuitively, higher AWG numbers mean thinner wire (30 AWG is much thinner than 10 AWG). Common approximate conversions: 30 AWG ≈ 0.05 mm²; 28 AWG ≈ 0.08 mm²; 26 AWG ≈ 0.13 mm²; 24 AWG ≈ 0.20 mm²; 22 AWG ≈ 0.33 mm²; 20 AWG ≈ 0.52 mm²; 18 AWG ≈ 0.82 mm²; 16 AWG ≈ 1.31 mm²; 14 AWG ≈ 2.08 mm²; 12 AWG ≈ 3.31 mm². When specifying cables for European applications, use mm² cross-section; for North American applications, use AWG. The current-carrying capacity depends on both conductor cross-section and insulation temperature rating — always use derating tables for the specific installation method (free air, conduit, bundled).

What is a typical MOQ for wholesale cables and wire harnesses from China?

Hook-up wire and equipment wire (plain spool): 100–500 metres minimum per AWG and colour combination. Ribbon cables (standard pitches 1.27mm, 2.54mm): 100–500 metres or 50–200 pieces. FFC/FPC flat cables (standard catalogue sizes): 100–500 pieces. Coaxial cables (RG-174, RG-316, LMR-100): 50–500 metres minimum. Custom wire harness assemblies: 100–500 sets minimum for simple harnesses; complex automotive-grade harnesses typically 500–2,000 sets minimum with NRE tooling cost for crimping dies and assembly fixtures (USD 500–5,000 depending on complexity). For Ethernet patch cables and standard USB cables (commodity products), Chinese manufacturers accept orders from 100–1,000 pieces with no NRE cost.

Wholesale Electronic Cable & Wire Suppliers

Source hook-up wire, ribbon cables, coaxial cables, shielded cables, FFC/FPC flat cables, and custom wire harness assemblies from verified manufacturers on Towobo. The global electronic wire and cable market exceeds $100 billion, dominated by Chinese manufacturers for commodity and custom harness production, with European and Japanese manufacturers leading in high-performance industrial and automotive cables.

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Electronic cable types and specifications

Electronic cables and wires for wholesale sourcing: hook-up wire and equipment wire — single-conductor insulated wire for internal equipment wiring; key standards include UL 1007/1015 (600V equipment wire), UL 1061 (300V computer hookup wire), and CSA TEW/TFN; conductor materials (tinned copper, bare copper, silver-plated copper) and insulation materials (PVC, PTFE/Teflon, XLPE, silicone) determine temperature rating and chemical resistance; AWG (American Wire Gauge) or mm² (European standard) sizes from 30 AWG (thin signal wire) to 8 AWG (high-current power wire); ribbon cables and FFC (Flat Flexible Cables) — multi-conductor parallel cables for flat-profile connections; AWM style ribbon cables for PCB-to-PCB connections; FFC (Flexible Flat Cable) and FPC (Flexible Printed Circuit) for display, camera, and touch panel connections in mobile devices; coaxial cables — RG-174, RG-316, LMR-100, LMR-200, RG-58 for RF signal transmission; key specs include impedance (50Ω or 75Ω), outer diameter, attenuation per metre at specific frequencies, and connector compatibility (SMA, N-type, BNC); shielded cables — twisted pair with foil/braid shield for EMC compliance; used for data communications (Ethernet Cat5e/6/6A, RS485/RS422), audio, and video signals; automotive cables — TXL, GXL, SXL (SAE J1128 standards) for automotive harness wire, rated -40°C to +125°C, available in multiple AWG sizes and colours; UL 508A industrial control panel wiring wire; and cable harness assemblies — custom-manufactured wire harnesses combining multiple cables, connectors, and strain reliefs; widely produced by Chinese, Vietnamese, and Mexican maquiladora harness manufacturers.

Wholesale Electronic Cable & Wire Suppliers

Electronic cable types and specifications

UL/CSA certification and RoHS compliance for cables

Frequently asked questions

What is AWG and how do I convert between AWG and mm²?

What is a typical MOQ for wholesale cables and wire harnesses from China?

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