Services
Lai Group offers a comprehensive suite of high and low voltage services, ensuring system integrity, safety, and performance across new and existing installations. Our skilled team delivers efficient maintenance, testing, and retrofit solutions tailored to each client’s operational requirements.
High & Low Voltage Maintenance including ductor testing, insulation resistance checks, visual inspections, and protection relay testing
Functional Verification of electrical interlocks, keys, and cabling systems to ensure compliance and operational readiness
LV Switchboard Retrofits covering circuit breaker upgrades, protection testing, and structural modifications
Advanced Diagnostics & Protection to support evolving infrastructure and ensure reliability over time


Surge Arresters & Cable Accessories
As an official channel partner of Hitachi, Lai Group proudly assembles high-performance distribution surge arresters at our Adelaide facility, tailored to meet client-specific requirements. Engineered for a range of applications—from outdoor substations to low-voltage and secondary equipment—our solutions deliver reliability and protection.
Custom-Assembled in Australia, with accessories such as cable leads, bird caps, insulators, and disconnectors
Versatile Product Range suitable for multiple voltage levels and site-specific demands
Automated Production & Stringent Quality Checks ensure consistent performance and reliability
Trusted Hitachi Technology, backed by Lai Group’s local engineering and support