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Selective Coordination Code Requirements

Coordination Requirements Documents
Coordination Module2008 NEC® Coordination Requirements

The 2008 edition of the NEC® includes selective coordination requirements for Elevator Circuits, Emergency Systems, Legally Required Standby Systems, and Health Care Facilities found in the 2005 NEC® as well as additional requirements for Critical Operations Power Systems (COPS).  Detailed information on these systems and the 2008 Code requirements can be found in this document.

Selective Coordination Checklist

This simple one page checklist can be used for a project where selective coordination of overcurrent protective devices is required on systems like those covered in the 2008 Code Update above.  The checklist covers key considerations for the system type and overcurrent device type.

2005 Coordination Updates2005 NEC® Coordination Updates

The 2005 edition of the NEC® has a number of new requirements for Emergency Systems, Legally Required Standby Systems, and Health Care Facilities.  Information on these requirements can be found in this document.

240.12NEC® 240.12 System Coordination

General requirements for electrical system coordination of overcurrent protective devices.

NEC® 517.17 Selectivity

NEC® Article 517 for health care facilities has specific requirements for selective coordination of the ground fault protection.

620.62NEC® 620.62 Elevator Coordination

This article details the requirements from NEC® article 620 for elevator systems.

700.16NEC® 700.16 Emergency Lights

Continuity of service for emergency systems is vital, this article covers lighting requirements specifically.  There are further coordination requirements which can be found in the 2005 NEC® Coordination Updates above.