News & Blog

Jul 27, 2026

Surge Arrester Grounding: What an RFQ Should State About the System

Questions about arrester grounding appear in almost every quotation exchange, usually as a request for a resistance number. A supplier cannot responsibly provide one. Grounding...

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Jul 26, 2026

Polymer Line Post Insulators: Installation Context and Design Questions

For a global B2B overhead-line review, a polymer line post insulator should be treated as part of a controlled evidence package. It must be evaluated...

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Jul 26, 2026

Line Arresters for Overhead Distribution: Placement and Coordination Basics

On an overhead distribution feeder, a line arrester is installed along the line itself rather than only at a station or a transformer. Utilities use...

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Jul 25, 2026

Polymer Suspension Insulators: Selection Inputs for Overhead Lines

For a global B2B overhead-line review, a polymer suspension insulator should be treated as part of a controlled evidence package. It must be evaluated against...

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Jul 25, 2026

33kV Lightning Arrester Selection: What to Confirm Beyond Voltage

Two offers can both say 33kV lightning arrester on the first page and still describe different devices. The voltage label narrows the family, yet it...

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Jul 24, 2026

Medium-Voltage Disconnector Switch RFQ Checklist

A isolator disconnector switch decision is reliable only when the project distinguishes terminology, isolation duty, document evidence, and supplier exceptions. Treat the requested device as...

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