IEEE C37.20.2-1993

C37.20.2-1993 is a Type Cubicle Switchgear standard that addresses the design and construction expectations for enclosed power equipment used in industrial and utility-related applications. In practical terms, it helps define how cubicle switchgear should be arranged, rated, and built so that equipment can be selected and compared with greater confidence. For power, energy, and industry applications, this standard supports more consistent engineering decisions and clearer procurement requirements.

C37.20.2-1993 overview

This technical document focuses on type cubicle switchgear, a class of enclosed switchgear commonly used to house switching and protective devices in a controlled assembly. C37.20.2-1993 is relevant when engineers need a common reference for construction features, performance expectations, and coordination of equipment within power distribution systems. It is especially useful where space, accessibility, insulation, and enclosure design are important to safe and reliable operation.

Typical use cases

C37.20.2-1993 is typically used when specifying or reviewing cubicle switchgear for substations, plant distribution centers, and other medium- or high-power installations. It may guide equipment selection for incoming feeders, outgoing circuits, and sectionalizing arrangements in industrial facilities and energy infrastructure. The standard can also support documentation reviews, vendor comparisons, and acceptance testing where consistent switchgear design and performance criteria are needed.

Why this standard matters

Using C37.20.2-1993 helps reduce ambiguity in switchgear procurement and engineering work by giving buyers and designers a shared technical basis. That can improve compliance checks, limit design variation, and support safer integration of equipment into larger power systems. For facilities that depend on dependable switching and protection, the standard can be an important tool for managing risk, comparing products, and maintaining consistent quality expectations.

• Type cubicle switchgear
• Enclosure and construction criteria
• Power system application focus
• Design and procurement reference
• Consistency for testing and review