transmission lines Archives

High-voltage electrical power insulators on a transmission tower supporting overhead power lines against the sky, adhering to ANSI/NEMA C29.1-2018.

ANSI/NEMA C29.1-2018: Electrical Power Insulators

ByAlexandra Schirn March 19, 2026March 5, 2026

Without electrical power insulators, the modern electric grid would not function. From transmission towers crossing rural landscapes to substations serving dense urban centers, insulators play…

Wildfire causing damage to a transmission and distribution line structure, requiring fire safety guidance from AMPP TR1505-2022.

ANSI | Fire Safety

AMPP TR1505-2022: Wildfires Damage to Combustion Products

ByAlexandra Schirn January 21, 2025June 4, 2025

Wildfire frequency and severity continue to pose risks to transmission and distribution line structures—thereby raising concerns for power utilities. In part due to climate change,…

Electrical wires of overhead power line or electrical transmission line covered by snow in the winter forest adhering to IEC 60652:2021.

ANSI | Electrical Safety

IEC 60652 Ed. 3.0 b:2021—Overhead Line Structures

ByAlexandra Schirn January 3, 2024May 21, 2025

The electrical power system of overhead lines enables electricity to be moved quickly and seamlessly. This network is vital in assuring a reliable and regular…