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This Model 70160300 product is a purpose‑built equipotential bonding earthing jumper kit engineered for 19‑inch EIA‑compliant server, fiber‑ODF, surveillance and industrial cabinets. Many field‑site grounding failures stem from manual on‑site wire‑stripping, inconsistent crimping or poorly‑matched cable lengths that create high‑resistance joints.
This kit delivers factory‑calibrated pre‑crimped ring terminals on both ends, 14AWG multi‑strand tinned copper conductors and IEC‑mandated yellow‑green protective‑earth insulation. Supplied as a 2‑piece set. It establishes stable low‑impedance equipotential bonding between cabinet frames, mounting rails, equipment shelves and cable management hardware. Fully RoHS‑compliant, it helps integrators pass site electrical acceptance inspections for data‑centre, telecom and export‑oriented tender projects.
1.Factory‑Pre‑Crimped Dual‑End Ring Terminals Remove Field‑Crimp Failure Risks
A major source of intermittent cabinet‑grounding faults originates on‑site: improper wire stripping, wrong crimp‑tool dies, nicked copper strands or partial crimping create hidden high‑resistance connections which pass initial testing yet degrade under thermal‑cycling and cabinet vibration. Every ring‑terminal on this kit is factory‑compressed under fixed‑force tooling, delivering repeatable low‑resistance metal‑to‑copper bonds. Installers skip stripping and crimp work entirely; simply bolt down with standard M6 hardware. It cuts human‑error risk for multi‑rack data‑centre roll‑outs.
2. 14AWG Tinned‑Stranded‑Copper Conductor For Stable Low‑Impedance Bonding
Solid‑single‑core ground wires risk fatigue‑fracture under cabinet minor vibration. Multi‑strand tinned‑copper construction improves flexibility and anti‑oxidation performance. 14AWG conductor cross‑section maintains low‑impedance equipotential planes, effectively dissipating static electricity and suppressing EMI interference for high‑speed fiber‑optic and network hardware, lowering packet‑error risk inside densely‑populated equipment closets.
3. Tuned 300 mm End‑To‑End Length Solves Two Common‑Site‑Routing Pain‑Points
Too‑short jumpers cannot span between non‑adjacent bonding points; over‑long ground‑wires form messy tight coils that obstruct cabinet‑air‑flow and trap heat. The 300 mm finished dimension is calibrated for typical 19‑inch cabinet internal bonding distances. It offers sufficient slack for frame‑to‑rail / shelf‑to‑chassis connections without excessive surplus cable looping, preserving natural cabinet‑air‑flow paths.
4. IEC‑60445 Yellow‑Green PE Insulation For Instant Site‑Identification
Strictly follows international protective‑earth colour‑coding rules. Distinct yellow‑green bi‑colour insulation allows field‑technicians to rapidly recognise bonding jumpers during cabinet audit, maintenance or post‑installation inspection. Avoids mis‑identification with signal‑or‑power conductors, helping satisfy visual‑check requirements during electrical‑safety acceptance procedures.
5. Optimised 2‑Piece Unit Pack Matches Typical Single‑Cabinet Multi‑Point‑Bonding Needs
Most standard‑size 19‑inch cabinets require minimum two bonding jumpers: for example connecting main frame to rail plus shelf‑assembly to chassis. Each factory‑sealed bag contains exactly two complete assembled cables. This removes guess‑work for on‑site crews; integrators avoid ordering excess quantity or running short mid‑installation, simplifying warehouse‑stock‑handling for project‑material kits.
6. Full RoHS Compliance Supporting Global Export‑Tender Documentation
Material formulation excludes restricted hazardous heavy‑metal substances. Each unit satisfies RoHS requirements for EU and many other global‑market import clearance. Product can be listed on bill‑of‑materials for public‑sector and commercial tender submissions where environmental‑compliance paperwork is mandatory.
| Item | Parameter |
| Model No. | 70160300 |
| Conductor Gauge | 14 AWG multi‑strand tinned‑copper |
| Nominal finished length | 300 mm (end‑to‑end including ring lugs) |
| Termination | Dual‑end factory‑pre‑crimped ring terminals, compatible with M6 rack fasteners |
| Insulation | IEC‑60445‑compliant yellow‑green bicolour protective‑earth PE insulation |
| Compliance | RoHS |
| Application Scope | Equipotential bonding for 19‑inch EIA server / fiber / security / industrial cabinets |
| Standard Pack Quantity | 2 pcs per sealed poly‑bag |
| Included Deliverables | 2× complete earthing jumpers; installation guidance note (M6 mounting hardware sold separately) |
1. Enterprise data‑centre cabinet equipotential‑bonding projects: Bond rack uprights, shelves and cable‑management hardware; mitigate static‑charge build‑up and EMI interference for network / server hardware.
2. Fiber‑ODF cabinet installations: Bond ODF frames to main rack chassis to stabilise ground potential for sensitive optical‑transceiver modules.
3. Security‑surveillance NVR monitoring‑racks: Eliminate stray‑potential‑differences that can introduce video‑signal noise inside multi‑device security‑equipment‑closets.
4. Telecom and industrial control‑room cabinet‑fit‑outs: Satisfy bonding requirements for industrial‑automation and telecommunication infrastructure deployments.
5. System‑integrator pre‑configured cabinet kitting: Pre‑populate ground‑jumpers inside pre‑built racks prior to shipping to customer‑sites.
| Details | Specification |
| MOQ | 1 poly‑bag pack (2‑pcs) |
| Custom Options | Alternative finished‑lengths available upon bulk‑order request |
| Lead‑time | Stocked items dispatch within 3 working‑days |
| Packing | Dust‑proof sealed poly‑bag; bulk‑project collective carton‑packing optional |
| Trade Terms | EXW, FOB, CFR, CIF |
Q: What real‑world risk does factory‑pre‑crimped terminals eliminate compared with loose raw wire?
A: Raw wire demands on‑site stripping and manual crimping. Imperfect field crimps produce hidden high‑resistance joints that pass initial test, yet degrade over cabinet vibration and thermal‑cycling. Our factory‑controlled crimp‑process delivers consistent mechanical‑electrical connection, removing such intermittent‑fault risks during long‑term cabinet‑operation.
Q: Why use yellow‑green insulation for these jumpers?
A: Yellow‑green bi‑colour complies with IEC 60445 international protective‑earth‑conductor marking standard. Field‑technicians can visually identify bonding jumpers rapidly during inspection or troubleshooting, preventing mis‑wiring mistakes during cabinet‑maintenance cycles.
Q: Does this kit include M6 mounting screws and lock‑washers?
A: No. The package only contains two complete pre‑crimped earthing jumpers. M6 rack‑screws and paint‑piercing lock‑washers must be procured separately to achieve proper metal‑to‑metal bonding contact.
Q: What is the practical use‑case for 2‑per‑pack configuration?
A: A typical single 19‑inch cabinet needs multiple bonding points e.g. chassis‑to‑rail plus shelf‑to‑frame. Two‑piece pack matches this common requirement, preventing shortages or over‑purchase for single‑cabinet deployments.
Q: Can I cut or shorten these 300 mm pre‑crimped jumpers on‑site?
A: Not recommended. Cutting destroys factory‑crimped terminal termination. If you consistently require different finished‑length, please enquire for custom‑length bulk‑order options.
Q: Is this product valid for EU import and tender‑project RoHS‑documentation?
A: Yes, product is RoHS‑compliant. Supporting compliance‑documentation can be supplied for tender‑bill‑of‑material and customs‑clearance‑purposes.
