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Category: Testing
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Flash Testing vs. Insulation Resistance Testing: What Is the Difference?
Flash Testing vs. Insulation Resistance Testing In the electrical industry, misconceptions about testing methods can lead to unsafe practices, non-compliance, or even damage to sensitive equipment. One of the most common misunderstandings is the belief that a Flash Test (Power-Frequency Withstand Voltage Test) and an Insulation Resistance Test (IR Test) are interchangeable. This confusion is…
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Main and Auxiliary Circuits: Flash Testing & Insulation Resistance Tests
Flash testing: Distinctions & Clarification Distinguishing between main circuits and auxiliary circuits is crucial for ensuring proper operation, safety, and compliance. Both circuit types serve distinct roles and require different testing methods. This post outlines these differences, explains why a 2,500V AC Power-Frequency Withstand Voltage Test (Flash Test) is used for main circuits, and highlights…
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How Often Should You Inspect Your Switchgear?
Practical Tips for Keeping Your Electrical Systems Safe and Compliant Switchgear is the heart of any electrical distribution system, and keeping it in top condition is crucial for safety and reliability. Compliance with standards like BS EN 61439 is essential, but we also understand that practical realities can sometimes make maintenance challenging. Let’s break down…