Generator Transfer Switch – What It Is and Why It Matters
One of the most common questions people ask is this: Can I just buy a generator and use it without a transfer switch? The short answer is—it depends on the type of generator you’re using. If you’re dealing with a standby generator, then no,...
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Leakage Current – How to Prevent Shocks and Electrical Fires
Leakage current is the small, unintended flow of electrical current that escapes the intended path in a circuit. Ideally, current flows from the supply, through the live conductor, through the load, and back via the neutral conductor. In reality, insulation is never perfect, wires...
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Main Switch – Its Purpose and Role in a Control Panel
Main switch is one of the most important components in a control panel. It may look simple at first glance, but this single device has a massive impact on how the entire system operates. Without it, you lose proper control over your electrical supply,...
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Which Industries Need Arc Flash Studies the Most?
An Arc Flash Study is an engineering calculation for comprehensive purposes to find potential arc flash risk in an electrical system. The objective is to establish levels of incident energy, assess risks, and include safety recommendations, such as adequate Personal Protective Equipment (PPE), redesign...
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Which is better, solid state relay or mechanical relay?
A solid state relay is an electronic switching device, employing semiconductor components like thyristors, triacs, and diodes to accomplish its switching operations. The best thing is that it does not employ moving parts to open and close electric contacts, as required for mechanical relays....
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How does Type 2 Coordination in motor starters work?
Type 2 Coordination is a well-specification process developed many years back in Australia and New Zealand, hence used widely nowadays all over the world. As described in AS/NZS60947.4.1 Type 2 Coordination is the coordination of motor starter components – Contactor and Overload, and Short...
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