Latest Certification Technical Articles

Overhead vs. underground power distribution: Learn the cost, reliability, and design trade-offs for medium voltage power…

Overhead vs. underground power distribution: Learn the cost, reliability, and design trade-offs for medium voltage power systems across urban,…

Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common…

Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common causes of outages, and…

Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold…

Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold (pre-energization), and hot…

This article provides developers with step-by-step guidance in qualifying new electrical products for safety compliance…

This article provides developers with step-by-step guidance in qualifying new electrical products for safety compliance certification.

Learn about limiting the available ground-fault current and how to ground equipment above 1 kV.

Learn about limiting the available ground-fault current and how to ground equipment above 1 kV.

Learn about equipment grounding and types of equipment grounding conductors.

Learn about equipment grounding and types of equipment grounding conductors.

Learn about the rules for bonding piping systems and exposed structural metal.

Learn about the rules for bonding piping systems and exposed structural metal.

Learn about the rules for installing grounding electrode conductors.

Learn about the rules for installing grounding electrode conductors.

Learn about the rules for auxiliary, common, and lightning protection electrodes and the materials permitted for…

Learn about the rules for auxiliary, common, and lightning protection electrodes and the materials permitted for grounding electrode conductors.