Live Line Testers (LLT)

Live Line Testers (LLT) are specialised electrical testing devices used in overhead line equipment (OLE) systems to perform tests and measurements on live electrical circuits. They are designed to ensure the safety of personnel and the integrity of the OLE system during maintenance, troubleshooting, and inspection activities.

Here’s an overview of Live Line Testers:

1. Non-Contact Voltage Indicators: Non-contact voltage indicators are handheld LLTs that can detect the presence of voltage in OLE conductors without making direct contact. They use proximity sensors or electromagnetic field detection to indicate the presence of live electrical energy.

2. Voltage Detectors: Voltage detectors are LLTs that provide a visual or audible indication of the presence of voltage in OLE conductors. They often have multiple voltage range settings to accommodate different voltage levels encountered in OLE systems.

3. Phase Comparators: Phase comparators are LLTs used to determine the phase sequence and identify the presence of voltage in OLE conductors. They help ensure correct phasing during maintenance or switching operations.

4. Insulation Testers: Insulation testers, also known as megohmmeters, are LLTs used to measure the insulation resistance of OLE conductors and components. They help assess the quality of insulation and identify potential faults or deterioration in the OLE system.

5. Ground Fault Detectors: Ground fault detectors are LLTs used to detect and locate ground faults in the OLE system. They help identify and isolate sections of the OLE network where electrical current is leaking to the ground, indicating potential safety hazards.

6. Data Loggers: Data loggers are LLTs used to monitor and record electrical parameters, such as voltage, current, and power quality, over a period of time. They help capture and analyze data to assess the performance and condition of the OLE system.

OLE Live Line Testers are essential tools for ensuring the safety of personnel working on live electrical circuits and maintaining the reliability of OLE systems. They provide valuable information about the electrical characteristics of the OLE system and help identify potential issues before they escalate into more significant problems.

At Hades Hire, we offer a range of OLE Live Line Testers suitable for various testing and measurement requirements. Contact us to discuss your specific LLT needs, and our team will assist you in finding the right tools and equipment to support your overhead line system projects.