Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watmath!clyde!rutgers!mcnc!ece-csc!ncrcae!ralph From: ralph@ncrcae.UUCP Newsgroups: sci.electronics,comp.misc,misc.consumers,rec.audio Subject: Re: Power supplies & 3B1's Message-ID: <2803@ncrcae.Columbia.NCR.COM> Date: Wed, 25-Nov-87 08:50:27 EST Article-I.D.: ncrcae.2803 Posted: Wed Nov 25 08:50:27 1987 Date-Received: Sun, 29-Nov-87 01:37:15 EST References: <942@woton.UUCP> <1805@ukecc.engr.uky.edu> <2257@kitty.UUCP> Reply-To: ralph@ncrcae.UUCP (Ralph Hightower) Organization: NCR Corp., Engineering & Manufacturing - Columbia, SC Lines: 69 Keywords: secondary surge lightning arrestor Xref: utgpu sci.electronics:1583 comp.misc:1485 misc.consumers:3043 rec.audio:3748 Summary: Install Secondary Surge/Lightning Arrestor At Service Entrance I am in the process of collecting material and references for my previous request of Lightning Protection (lacking some ANSI/IEEE and NFPA standards). But . . . One of my reference materials, the Amateur Radio Relay League 1988 Handbook suggests installing the General Electric "Home Lightning Protector" (Part number 9L15BC002) at the power service entrance. Before I got the ARRL Handbook, I had asked the electric utility supplying me what was available. They said that they could install an optional device at the meter that would suppress any surges that got past their equipment (but not a direct strike; nothing can protect anything from a direct strike). The utility installed a Secondary Surge Arrestor (Catalog number J9200-10) from Joslyn Mfg. & Supply Co., Electrical Apparatus Div. Installation was $30.00. Check with your local electric utility company to see if they can install one for you. Installation at the service entrance needs to be done by a qualified installer with the main power cut. The ARRL also recommends installing MOV's (Metal Oxide Varistors) at the breaker box. (This, I have not done yet, but plan to.) Besides that, use the surge protector outlet strips. Secondary Surge Arrestors: General Electric Co. General Semiconductor Industries Semiconductor Div. PO Box 3078 W. Genesee St. Tempe, AZ 85281 Auburn, NY 13021 (TransZorbs) (Home Lightning Protector, and MOV's) Joslyn Mfg. & Supply Co. Electrical Apparatus Div. (Address Unknown-Electric Utility provided). Book references: ARRL 1988 Handbook ($21.00 USA) ARRL 225 Main St. Newington, CT 06111 NFPA (National Fire Protection Association) Publications: National Electrical Code 1987 (DJ-70-87HB $39.50) Lightning Protection Code (NFPA-78 $12.00) Protection Of Electronic Computer/Data Processing Equipment (NFPA-75 $10.50) * Static Electricity (NFPA-77 $12.00) * National Fire Protection Association Batterymarch Park Quincy, MA 02269 1-800-344-3555 * I have not ordered these but plan to. The Institute Of Electrical And Electronics Engineers, Inc (IEEE) have some ANSI/IEEE standards that are applicable to surge protection that I plan to order. In a recent BYTE magazine, Steve Ciarcia (BYTE's construction editor), mentioned that he had some equipment fried by lightning and is going to write a future article on protective steps. The December 1981 issue (I think) has a do-it-yourself article on surge protectors. unix-pc.general was editied out of newsgroups since we don't get this group and rn choked on it. -- ralph@ncrcae.Columbia.NCR.COMNCR Corp., Engineering & Manufacturing - Columbia, SC Home of THE USC! (Oldest Public Funded University in USA) South Carolina had a University 49 years before California was a state.