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Neon Tubing Secondary Wiring Methods by George Doll A few of the common neon installation challenges associated with secondary wiring from the transformer or power supply to the electrodes are discussed in this article. Determining Proper Loading for Neon Sign Transformers by Telford Dorr After a review of the basic difference between ordinary transformers and neon sign transformers, the author explores alternate loading techniques. Back to Basics: Grounding and Bonding as it Relates to Signs and Neon Installations   by Michael J. Johnston This article focuses on grounding and bonding requirements as they relate to metal parts and metal equipment of electric signs and neon installations.

Secondary Ground-Fault Protection by Michael Faser In the NEC since 1996, widespread usage of SGFP's is just now occurring with their required usage in UL Listed signs and outline lighting. Check and Be Sure of GFCI Safety Protection by the Ground-Fault Personnel Protection Section of the National Electrical Manufacturers Association NEMA urges a careful study of GFCIs including training of testers, specific test protocol, and examination of non-operation of units to determine cause and percentage of failure. Electrode Receptacles and Enclosures by Paul R. Davis The author discusses various types of electrode receptacles and enclosures, pointing out their strengths and weaknesses.

Editorial: Comments on GFCI Article/IAEI Bonus Points Program by Philip H. Cox, CEO/Executive Director An article entitled "Are All Those GFCIs Out There Working?" was printed on pages 66-68 of the November/December 1999 issue of the IAEI News. The printing of that article was in error and I wish to extend an apology to readers of the IAEI News and other interested parties for the premature release of that article. The material was submitted to the IAEI for consideration and a working copy was reviewed. Other Code: The Storage of Hazards  by David C. Young, PE The excess space inside electrical supply stations (substations) is often considered for storage of construction materials. UL Question Corner   (pdf) 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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