IEEE C37.20.2-2015

C37.20.2-2015 is a standard for clad switchgear used in power, energy, and industrial applications, defining technical expectations that support safe and consistent equipment selection. It is relevant where metal-enclosed switchgear must be specified with attention to construction, insulation, ratings, and performance. As a superseded document, C37.20.2-2015 remains useful for understanding legacy requirements, comparing equipment designs, and reviewing older procurement or compliance records.

Overview of C37.20.2-2015

This technical document addresses clad switchgear, a category commonly used in medium-voltage power distribution and similar electrical systems. C37.20.2-2015 helps frame how such equipment is designed, evaluated, and applied in practice, with emphasis on reliable operation and controlled construction. For engineers, buyers, and maintenance teams, the standard can serve as a reference for equipment characteristics, acceptable configurations, and the performance expectations associated with switchgear used in demanding service environments.

Typical use cases

Clad switchgear specified under this standard is typically found in substations, plant distribution rooms, and other controlled electrical installations where organized power distribution is important. It may be used in industrial facilities, utility-related systems, and large commercial infrastructure that relies on medium-voltage switching and protection. C37.20.2-2015 is especially relevant when comparing enclosed switchgear assemblies, reviewing legacy installation documents, or checking whether equipment design aligns with established engineering practice for power, energy, and industrial systems.

Why it matters

This standard matters because clad switchgear must meet consistent expectations for construction, performance, and safety in service. C37.20.2-2015 can support better procurement decisions by giving engineers and specifiers a common technical basis for comparison. It may also help reduce risk during design review, acceptance testing, and maintenance planning, especially where equipment compatibility and operating reliability are important. For organizations managing older assets, it is a practical reference for documenting legacy compliance and understanding historical design intent.

• Clad switchgear construction
• Power distribution applications
• Medium-voltage equipment context
• Legacy compliance reference
• Design and testing checkpoints