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IAEI Magazine | Author: Chad Kennedy
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Chad Kennedy

Chad Kennedy is the manager, industry standards for power equipment and is a registered professional engineer in the state of South Carolina. He has been with Square D for over eighteen years and has served as the engineering manager for custom switchboard design supporting the design of systems for power transfer and distribution in industrial, commercial, and retail areas. Chad is a member of NEC Code-Making Panel 13 which has responsibility for Articles 445, 700, 701 and 702.


Articles

Selective Coordination of Emergency Systems — Taking the mystery out of enforcement

Selective coordination of the emergency system is intended to provide a high level of reliability and continuance of supply needed for systems providing emergency functions. As with all electrical installations, an effective plan review and installation inspection of the overcurrent protective devices (OCPDs) coordination for emergency systems is fundamental in approving and inspecting such systems. In addition, understanding which circuits require emergency systems also must be considered.
SEPTEMBER-OCTOBER 2012

Transfer Equipment Used in Optional Standby Systems for Commercial Applications, Part I

Significant growth in optional standby systems for commercial applications is being driven by the demand for electrical power to be present that will ensure continuity of business activities. Concerns stem from weather related outages to other reliability issues that can result in the loss of electric utility of a building, communication center, or process.
MAY-JUNE 2009

Transfer Equipment Used in Optional Standby Systems for Commercial Applications, Part II – Transfer Equipment Options

The primary purpose of transfer equipment is to allow power transfer from a normal (Utility) source to an alternate (Generator) source while preventing the inadvertent interconnection of the normal and alternate source of supply during operation of the transfer equipment. During Part I of this series, we covered the fundamentals of transfer equipment used in optional standby systems and the use of key interlocks to provide a safe, simple, and reliable means of transfer. This article will explore transfer equipment options and provide additional guidance, questions to ask, and considerations for those systems.
JULY-AUGUST 2009

Part III: Transfer Equipment Applications and Considerations

Transfer equipment installations can be extremely complex, even for optional standby arrangements that are critical to business operation. This is the final installment in a series of articles examining transfer equipment used in optional standby systems for commercial applications.
SEPTEMBER-OCTOBER 2009