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Certification of Factory Automation Equipment   by Chuck Goetz  Factory automation equipment is relied upon to operate many types of industrial manufacturing processes. The ability to automate more and more functions of a manufacturing process has led not only to an increase in the number of machines utilized for a process but also the machines’ complexity.

New Requirements for Series Rated Systems  by Joe Schomaker There are two accepted methods to meet the interrupting rating requirements of 110.9, fully rated systems and series-rated systems. In the interest of building and worker safety, the 2005 NEC has added another type of series-rated system, for existing installations, when selected by licensed professional engineers, stamped, and properly documented for use by all interested parties. Low-Voltage Lighting Systems Operating at 30 Volts or Less  by Mark Ode Article 411 was established during the 1996 National Electrical Code (NEC) cycle to provide a separate article for low-voltage lighting systems designed and listed as a complete system. The primary reason for Article 411 was the development of a new system of low-voltage incandescent spot lighting. Western Section Celebrates Its 100th Anniversary by Ed Lawry The Western Section celebrated its 100th Anniversary at its 2004 Annual Meeting held in West Des Moines, Iowa, September 19–22, 2004. Perspectives on PV: Stalking the Elusive and Somewhat Strange PV System     by John Wiles The rarity of PV systems does not prepare the typical inspector when he or she comes upon one for the first time. These systems and the equipment used in them are unlike other common electrical power systems. Your Retirement Clock is Ticking   by Jesse Abercrombie Most members of the electrical industry know they need to save for retirement, but often they aren’t sure where to begin. Grounding and Bonding for Signs and Neon Installations  by Michael Johnston This article will provide a brief tour through the electrical sign circuit and focus primarily on what is required for adequate grounding of this equipment and how grounding and bonding function together to provide safety for these types of equipment and installations.

Editorial: It's Time to Pass the Gavel  by Lanny McMahill, 2004 International President The year has gone by quickly. I will miss the great work performed by the IAEI leadership. The cooperation and support of the executive committee, the guidance of our management and administrative staff, and the hard work and dedication of our office staff is beyond compare. I can say without a doubt that we are fortunate to have such talented individuals! Canadian Code: Making Ground-Fault Protection Work  by Leslie Stoch This article looks at ground-fault protection in switchgear, what works and what doesn’t. We’ll look at some of the ways ground-fault protection may inadvertently become inoperable and what steps are needed to prevent this from happening. We will discuss some possible grounding schemes that are incompatible with ground fault sensing and may thereby disable your ground-fault protection equipment. Electricity Fundamentals: Basic Electricity—Part 3  by David C. Young, PE This article looks at ground-fault protection in switchgear, what works and what doesn’t. We’ll look at some of the ways ground-fault protection may inadvertently become inoperable and what steps are needed to prevent this from happening. We will discuss some possible grounding schemes that are incompatible with ground fault sensing and may thereby disable your ground-fault protection equipment. UL Question Corner  by Underwriters Laboratories The “UL Question Corner” answers questions of general interest that are sent in from authorized government inspectors and we believe will have interest for many inspectors.

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