Cable Fire Testing
Laboratory




Research & Development
SQ Group invests in research, advanced technology, and skilled professionals to create high-quality, safe, and reliable products that meet global standards.




Our Quality Control & Analysis Laboratory plays a vital role in maintaining consistent product quality through detailed inspection, measurement, and performance analysis. By implementing strict quality assurance protocols, SQ Electricals Ltd. delivers dependable and high-performance electrical products to customers.


The High Voltage Testing Laboratory is equipped with advanced testing systems to evaluate insulation performance, dielectric strength, and electrical safety under demanding operating conditions. These tests ensure that SQ Electricals products meet stringent reliability and safety standards.
Through advanced laboratories and experienced engineers, SQ Electricals Ltd. develops safe, reliable, and high-performance electrical solutions that comply with national and international standards.


At SQ Electricals Ltd, quality is embedded into every stage of the manufacturing process. Products undergo rigorous testing and inspection procedures to ensure compliance with national and international standards for performance, safety, and durability.
Through continuous investment in advanced testing equipment, quality systems, process automation, and employee development, we strive to exceed customer expectations and build long-term trust.
Innovation powers our growth as we invest in modern technology, research, and sustainable manufacturing practices. By embracing resource-efficient processes, we deliver high-quality electrical products while supporting a cleaner and more sustainable future.

SQ Cable’s research, development, and quality control facility is structured into three independent, specialized testing divisions: the High Voltage (HV) Laboratory , the Low Voltage (LV) Laboratory, and the Fire Testing Laboratory. This distinct separation ensures optimal safety, environmental isolation, and precise certification of electrical cables according to global standards.
The SQ Cables High Voltage (HV) Laboratory is an ultra-modern, highly secured, and safety-interlocked testing facility engineered for high-stress electrical verification and insulation endurance validation. The facility is fully equipped with highly sophisticated, automated diagnostic systems to handle rigorous type-testing and routine performance evaluations of medium & high voltage power cables.

Used for high-capacity dielectric testing and precise Partial Discharge (PD) measurements under resonant frequency to find microscopic voids in insulation layers.
Engineered to provide continuous, long-duration (4 hours) high-voltage AC stress testing to verify the ultimate thermal and dielectric breakdown thresholds of cable insulation under sustained loads.
A microprocessor-driven automated system testing the dielectric loss factor (tan delta) and capacitance to track insulation aging.
Simulates direct lightning strikes and heavy transient switching surges to confirm structural impulse insulation parameters.
Drives continuous high-current loading profiles to evaluate thermal expansions, electrical performance, and joint integrity under heavy current stress.
High-precision kilovolt measurement unit designed for real-time voltage tracking, accurate calibration, and stabilization monitoring during active test cycles.
Employs heavy-gauge pressurized stainless steel cylinders to verify water-barrier parameters against moisture entry under real-world pressures.
Monitors volume resistivity parameters across insulation screen layers.
🚀 Innovation-driven development powering long-term sustainability and competitiveness
The SQ Cables Low Voltage (LV) and Material Testing Laboratory is a state-of-the-art facility engineered for the comprehensive evaluation, structural validation, and quality certification of low-voltage electrical cables, building wires, and foundational polymer raw materials. This division is exceptionally well-organized and integrated with highly advanced, computerized diagnostic systems that handle everything from microscopic material metrology to high-capacity mechanical failure tracking. By structuring testing setups into dedicated functional zones—including mechanical endurance, thermal/chemical analysis, high-precision metrology, and advanced resistance diagnostics—the laboratory guarantees absolute data precision, automated logging, and strict compliance with international testing frameworks such as IEC, ASTM, and BS standards to uphold the premium production benchmarks of SQ Cables

The laboratory utilizes a highly advanced suite of mechanical testing systems. High-capacity profiles are evaluated using the Computer-controlled Electronic Tensile Tester (100 KN), which maps stress-strain curves and structural failure points on Copper and Aluminium Rod. For intermediate profiles, the Computer-controlled Electronic Tensile Tester (50 KN) tracks extensive elongation limits and physical degradation in Copper Wire, Aluminium Wire, Steel Wire, and Insulation/Jacket. High-precision, low-force polymer analysis is performed by the Computer-controlled Electronic Tensile Tester (3 KN), capturing intricate elasticity metrics under extended structural displacement. For intermediate validation, the Tensile Testing Machine (5 KN) checks pulling thresholds of insulation layouts, while the specialized Tensile Testing Machine (250 kgf) verifies the exact breaking points of copper wires and polymer compounds like PVC, XLPE, MDPE, and HDPE.
Automated micro-ohmmeter featuring smart thermal compensation algorithms for precise conductor core resistance verification.
High-capacity diagnostic tester engineered to apply direct current stress to verify premium isolation barriers and track leakage currents.
High-capacity breakdown system engineered for continuous electrical stress and cable insulation validation.
Evaluates mechanical endurance, bending limits, and structural durability of flexible cords under cyclic twisting stress.
Heavy-duty hydraulic cutting system engineered to cleanly slice thick Medium Voltage (MV) cable insulation layers to prepare flawless cross-sections for geometric auditing.
Multi-chamber accelerated aging cell that logs thermal degradation data over time to simulate long-term wire wear
High-resolution optical magnification screen to non-destructively audit insulation wall thickness and concentricity.
Specialized thermal bath to calculate volume expansion metrics of polymer specimens submerged in heated water.
A high-precision digital instrument used to instantly measure the electrical conductivity of solutions to ensure Metal Purity.
🚀 Innovation-driven development powering long-term sustainability and competitiveness



The SQ Cables Fire Testing Laboratory is a highly specialized, isolated, and heavily ventilated testing division engineered to evaluate the safety, flame retardancy, and survival parameters of power cables under extreme fire conditions. This facility plays a critical role in verifying that cables can suppress fire propagation, minimize toxic emissions, and maintain operational functionality during catastrophic emergencies. Operating in strict compliance with international fire safety frameworks such as IEC, ASTM, and BS standards, this laboratory ensures that all fire-rated and Low Smoke Zero Halogen (LSZH) products manufactured by SQ Cables deliver maximum safety and structural reliability.
Evaluates whether fire-resistant cables can maintain electrical circuit continuity when exposed simultaneously to flame and mechanical shock, in accordance with applicable IEC and BS fire-survival testing requirements.
Precision atmospheric analyzer utilized to calculate the minimum oxygen concentration required to maintain flame combustion on cable polymers.
Specialized electrochemical evaluation framework built to capture toxic fumes, tracking structural acidity profiles and current transmission parameters of gases released from burning jackets.
Fully integrated computerized burn chamber engineered to chart light transmittance values and systematically log total smoke obscuration metrics during cable combustion.
A calibrated vertical burn chamber utilized to measure flame propagation speeds, ignition resistance, and the self-extinguishing properties of finished cable jackets under direct flame exposure.