Ningbo Suntech Power Machinery Tools Co.,Ltd.
| Payment Terms | L/C,T/T |
| Model | SJL |
| Diameter | 50 |
| Supply Ability | 500 PCS/Month |
| Name | Grounding Block |
| Weight | 8.9 |
| Delivery Time | 3-7days |
| Packaging Details | Plywood Case |
| Model Number | SJL |
| Place of Origin | NINGBO |
| Certification | ISO |
| Brand Name | Suntech |
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Product Specification
| Payment Terms | L/C,T/T | Model | SJL |
| Diameter | 50 | Supply Ability | 500 PCS/Month |
| Name | Grounding Block | Weight | 8.9 |
| Delivery Time | 3-7days | Packaging Details | Plywood Case |
| Model Number | SJL | Place of Origin | NINGBO |
| Certification | ISO | Brand Name | Suntech |
| High Light | Spring Loaded Conductive Contact Grounding Block ，Hot-Dip Galvanized Steel Grounding Block ，High Conductivity Copper Cable Grounding Block | ||
Grounding Block | Temporary Earthing Pulley for Transmission Line Stringing
Alternative SEO Titles
The Grounding Block, also known as a Temporary Earthing Block or Grounding Pulley, is an essential safety device used during overhead transmission and distribution line stringing operations. It is designed to provide a reliable temporary grounding path, effectively dissipating induced voltage, static electricity, and accidental electrical charges generated during conductor installation.
The grounding block consists of a spring-loaded conductive pulley assembly, high-conductivity grounding cable, and ground rod, ensuring continuous electrical contact with the conductor throughout the stringing process. This significantly improves operator safety while protecting conductors and equipment from unwanted electrical discharge.
Manufactured with a heavy-duty galvanized steel frame, precision-machined conductive sheaves, and corrosion-resistant components, the Grounding Block delivers excellent durability, stable conductivity, and long-term field performance under demanding construction environments.
It is widely used by power utilities, EPC contractors, transmission line construction companies, renewable energy projects, railway electrification contractors, and electrical infrastructure installers worldwide.
| Item | Specification |
|---|---|
| Product Name | Grounding Block |
| Product Type | Temporary Earthing Device |
| Frame Material | Hot-Dip Galvanized Steel |
| Pulley Material | Conductive Steel / Aluminum Alloy (Optional) |
| Pulley Structure | Triple Conductive Sheave |
| Contact Type | Spring Loaded Conductive Contact |
| Ground Cable | High Conductivity Copper Cable |
| Ground Rod | Included |
| Surface Treatment | Hot-Dip Galvanized |
| Application | Conductor Temporary Grounding |
| Suitable Cable | Conductor, OPGW, Earth Wire, Pilot Rope |
| Working Environment | Outdoor Power Line Construction |
| Customization | Available |
Note: Sheave diameter, grounding cable length, grounding resistance requirements, frame dimensions, and connector types can be customized according to project specifications.
The Grounding Block is widely used in electrical transmission and distribution projects, including:
Provides a continuous grounding path during conductor stringing to safely discharge induced voltage and static electricity.
Reduces electrical hazards for field personnel by maintaining effective temporary earthing throughout installation.
Spring-loaded conductive wheels maintain reliable contact with the conductor during movement.
Manufactured from hot-dip galvanized steel for superior corrosion resistance and extended service life.
Precision bearings reduce pulling resistance while minimizing conductor surface damage.
High-quality copper grounding cable provides low-resistance grounding performance.
Simple structure allows fast installation and removal on construction sites.
Customized grounding cable length, pulley size, frame dimensions, connection methods, and branding are available.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
1000000-5000000
Employee Number:
110~160
Ecer Certification：
Verified Supplier
Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ... Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ...
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