IEEE C37.74 : 2014

IEEE C37.74 : 2014

REQUIREMENTS FOR SUBSURFACE, VAULT AND PAD-MOUNTED LOAD-INTERRUPTER SWITCHGEAR AND FUSED LOAD-INTERRUPTER SWITCHGEAR FOR ALTERNATING CURRENT SYSTEMS UP TO 38 KV

Institute of Electrical & Electronics Engineers

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Table of Contents

1 Scope
2 Normative references
3 Definitions
4 Normal (usual) and special (unusual)
   service conditions
5 Ratings, required related capabilities,
   and test requirements
6 Design (type) tests
7 Production tests (routine tests)
8 Additional application and test requirements
9 Design and construction
10 Shipping requirements
Annex A (informative) - X/R ratio
Annex B (informative) - Bibliography

Abstract

Pertains to enclosed assemblies of single-phase and three-phase, dead-front and live-front, subsurface, vault, and pad-mounted, load-interrupter switches with or without protective devices such as fuses or fault interrupters, up to 38 kV rated maximum voltage.

General Product Information

Document Type Standard
Status Current
Publisher Institute of Electrical & Electronics Engineers
Supersedes
  • IEEE C37.71 : 2001
  • IEEE C37.73 : 1998
  • ANSI C37.72 : 1987

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