IEEE 700-1947

700-1947 is a superseded standard titled Current Apparatus Voltage Ratings, covering the voltage rating framework used for electrical apparatus in aerospace, transportation, and related engineering applications. It is relevant where component and system designers need a clear basis for selecting and comparing voltage levels across circuits, devices, and equipment. By defining how current apparatus voltage ratings are identified and applied, 700-1947 helps support consistent specification, safer design choices, and more reliable equipment coordination.

Overview of 700-1947

This standard addresses current apparatus voltage ratings, giving engineers a technical reference for how voltage capabilities are stated and understood for electrical equipment. In the context of fields, waves and electromagnetics, components, circuits, devices and systems, the document supports more uniform interpretation of rating information. For procurement, design review, and documentation work, 700-1947 can help align apparatus selection with expected electrical conditions and reduce ambiguity when comparing rated performance across equipment types.

Typical use cases

700-1947 is typically used when specifying or reviewing voltage ratings for apparatus in aerospace and transportation electrical systems, especially where equipment must operate within defined electrical limits. It may also support component selection, circuit design, maintenance documentation, and engineering checks for devices that must be matched to system voltage conditions. In practice, it is useful for teams comparing rated equipment, validating design assumptions, or documenting voltage-related requirements for technical procurement and compliance review.

Why it matters

Clear voltage-rating guidance matters because mismatched or poorly defined ratings can create design risk, testing issues, and reliability concerns. 700-1947 provides a structured basis for understanding current apparatus voltage ratings, which helps support consistent engineering decisions and more dependable system integration. For organizations working with electrical hardware across aerospace and transportation applications, the standard can assist with safer specification, better product comparison, and reduced uncertainty during design control and acceptance review.

• Current apparatus voltage ratings
• Electrical equipment and component selection
• Aerospace and transportation applications
• Design, review, and procurement reference
• Superseded technical document