Maintaining a resistance of 4 ohms is ensuring the safe operation of the generator.

In temporary power supply locations such as construction sites, Generators are the core power source, and the proper grounding of these generators directly affects personnel safety and equipment operation. To ensure absolute safety, the following key precautions must be kept in mind:

1. Standard Grounding, Resistance Meets Standards: A dedicated, independent grounding electrode must be used. Using structural steel bars or other metal pipes as substitutes is strictly prohibited. The grounding resistance value must strictly comply with national standards, typically not exceeding 4 ohms, to ensure that fault current can be quickly conducted to the ground.

2. Qualified Materials, Reliable Connections: Grounding electrodes should be made of corrosion-resistant materials such as galvanized angle steel or steel pipes. The grounding wire must be a multi-strand copper core flexible wire with a cross-sectional area sufficient for current carrying capacity. All connection points must use dedicated clamps or welding to ensure a secure and reliable connection, minimizing contact resistance.

3. Regular Inspection, Prevention is Key: The grounding system is not a one-time fix. Regular checks are necessary to ensure the grounding resistance value remains within standards, and the grounding wire should be carefully inspected for rust, damage, or loosening. In humid or highly corrosive construction site environments, the frequency of inspections should be increased. Professional Reminder: Proper grounding is the "lifeline" for the safe operation of generator sets. We recommend that the installation and testing be carried out by a professional electrician, strictly following local electrical codes and the generator manufacturer's instructions. Safety is paramount; proper grounding is an essential measure for every responsible construction site.

Shandong Supermaly Equipment Co., Ltd. – Experts in 8-4500KW full-series, all-domain power solutions, specializing in high-end power generation solutions for 20 years.