Standards: 📘 1.0 What is a VCB? Vacuum Circuit Breakers (VCBs) are the most common switching and protection devices used in medium-voltage (MV) systems (3.3 to 36 kV). They extinguish arcs by separating contacts inside a sealed vacuum interrupter, preventing arc re-striking due to the high dielectric strength of vacuum. They’re used in: 🧱 2.0 … Read more
1.0 📚 Introduction Low Voltage (LV) cables are electrical conductors designed for voltage ratings not exceeding 1000 V AC or 1500 V DC as per IEC and national regulations (e.g., SBC in Saudi Arabia). These cables form the backbone of electrical infrastructure in buildings and industrial environments. The reliability, safety, and efficiency of an electrical … Read more
🧵 Introduction Electrical cables are essential components in any building project. Their selection depends on voltage level, insulation, installation method, and usage. In this post, we break down the main categories and common types of electrical cables used in buildings. 🔌 Cable Classification by Voltage Voltage Range Cable Type LV (Low Voltage) Up to 1 … Read more
Welcome to MEP Insider At mepinsider.com, we understand the diverse needs of professionals in the mechanical, electrical, and plumbing (MEP) industry. Our platform serves as the ultimate knowledge hub tailored for site engineers, QA/QC inspectors, and aspiring MEP practitioners. We aim to empower you with practical resources and expert insights that are essential for navigating … Read more
Welcome to MEP Insider In today’s rapidly evolving construction landscape, staying informed is vital for success, especially for professionals in the mechanical, electrical, and plumbing (MEP) fields. Mepinsider.com serves as your ultimate knowledge hub, designed specifically for site engineers, QA/QC inspectors, and aspiring MEP professionals. Our platform offers a wealth of resources tailored to meet … Read more