Trusted experts in Earthing and Lightning Protection Systems since 2005.
In India, over 68% of electrical failures in industrial and commercial installations are linked to improper earthing continuity, sub-standard accessories, or corrosion-induced joint failures. While primary earthing electrodes and conductors receive attention, earthing accessories—connectors, clamps, inspection chambers, test links, and termination hardware—are often overlooked, becoming the weakest link in the grounding system.
Earthing Accessories – ARK Make by DFMHUB are engineered, tested, and manufactured specifically for Indian soil conditions, climatic stress, and regulatory requirements, ensuring low earth resistance, long service life, and fault-safe performance across industrial, commercial, infrastructure, and renewable energy projects.
This page provides a complete engineering, compliance, and application-driven breakdown of ARK earthing accessories—designed for EPCs, consultants, OEMs, and safety decision-makers.
Most grounding failures are not caused by electrodes, but by:
Loose or incompatible clamps
High-resistance joints
Galvanic corrosion between dissimilar metals
Non-standard inspection chambers
Poor termination design
In Indian operating conditions—high soil resistivity, monsoon moisture, aggressive salinity, industrial pollutants, and thermal cycling—substandard accessories rapidly degrade system performance.
| Impact Area | Consequence |
|---|---|
| Safety | Increased touch & step potential causing shock hazards |
| Equipment | Damage to transformers, panels, inverters, PLCs |
| Operations | Plant shutdowns, nuisance tripping |
| Compliance | Failure to meet IS / IEC / CEA inspection norms |
| Cost | Re-excavation, re-testing, downtime losses |
A ₹500 clamp failure can escalate into ₹50 lakh equipment damage or production loss.
ARK Make earthing accessories are not generic hardware. They are part of a designed earthing ecosystem, optimized for electrical continuity, corrosion resistance, and mechanical integrity.
Low Contact Resistance across joints
Material Compatibility with copper, GI, aluminum systems
Mechanical Strength under fault current stress
Long-term Corrosion Protection
Ease of Inspection & Testing
| Component | Material Options | Application |
|---|---|---|
| Rod to Strip Clamp | Gunmetal / Phosphor Bronze | Electrode to strip connection |
| Strip to Strip Clamp | Copper / GI | Grid interconnections |
| Strip to Cable Clamp | Bimetallic | Copper-Aluminum transition |
| Parallel Cable Clamp | Tinned Copper | Power & control grounding |
Engineering Advantage:
Precision-machined contact surfaces ensure stable micro-ohm resistance even after years underground.
| Feature | Specification |
|---|---|
| Material | Electrolytic Copper / Tinned Copper |
| Purpose | Periodic earth resistance testing |
| Mounting | Panel / Wall / Pit mounted |
| Compliance | IS 3043 recommendations |
Why It Matters:
Test links allow isolation of equipment earth without dismantling conductors—mandatory for audits.
| Parameter | ARK Specification |
|---|---|
| Conductivity | ≥ 99.9% copper |
| Drilling | CNC-controlled |
| Finish | Natural / Tinned |
| Application | Panels, substations, data centers |
| Type | Load Rating | Application |
|---|---|---|
| Polymer | Light / Medium | Commercial buildings |
| FRP | Heavy Duty | Industrial yards |
| RCC | Extra Heavy | Roads, substations |
Design Focus:
Non-corrosive lids, water drainage slots, and tool-free inspection access.
Copper / GI bolts & nuts
Compression lugs
Earth pit covers
Warning tapes & identification tags
Soil resistivity measurement (Wenner method)
Seasonal variation analysis
Copper / GI / hybrid systems
Fault current level calculation
Avoid copper-aluminum galvanic pairing
Select bimetallic connectors where required
Surface preparation
Torque-controlled tightening
Mandatory test links
Accessible inspection chambers
| Standard | Scope |
|---|---|
| IS 3043 | Code of practice for earthing |
| IEC 62305 | Lightning protection |
| IEC 60364 | Electrical installations |
| CEA Regulations | Safety in power installations |
| MNRE Guidelines | Solar & renewable grounding |
ARK Make accessories are designed to exceed minimum compliance, not just meet it.
Substations, transmission yards
Used across Bengaluru, Chennai
Automotive, steel, cement plants
Deployed in Pune, Mumbai
IT parks, hospitals
High-reliability grounding in Hyderabad
Railways, airports, highways
Projects in Kolkata
Solar & wind farms
MNRE-aligned grounding solutions
| Criteria | ARK Make (Manufacturer) | Generic Trader |
|---|---|---|
| Design Control | ✔ In-house engineering | ✖ None |
| Material Traceability | ✔ Yes | ✖ No |
| Customization | ✔ Project-specific | ✖ Limited |
| Compliance Docs | ✔ Full | ✖ Partial |
| Long-term Support | ✔ Available | ✖ Absent |
Result: Predictable performance vs unknown risk.
Earthing system design assistance
BOQ optimization
Compliance documentation
On-site inspection support
Custom accessory fabrication