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Thanks for your reply. Indoor use, up to 1000V, and installation in accordance with article 280 of the NEC. Currently, these devices are referred to as Surge Arresters, but soon to be designated SPD.I am interested in the physical connection within the service panel ahead of the service...

Typically, where exactly (and what connection method) are SPDs connected when installed on the line/supply side of the service disconnect overcurrent protection(not a watt-hour meter enclosure type SPD )?

Wouldn't IEEE C62.1, Standard for Gapped Silicon-Carbide Surge Arresters for AC Power Circuits. apply?

I am licensed in one state and need to be licensed in anoter state. It's not automatic and requires resubmitting most of the information originally submitted for the first license. Has anyone used the NCEES record program where a record (experience, references,etc) is established that can be...

Can anyone suggest a relatively simple and inexpensive CAD software for producing electrical wiring drawings, etc.

Can anyone suggest a drawing software for commercial/residental electrical power design that does not require the use of autocad like designmaster does?

I work for UL so here is the deal with power strips, formally called relocatable power taps: USE AND INSTALLATION This category covers relocatable power taps rated 250 V ac or less, 20 A or less. They are intended for indoor use as relocatable multiple outlet extensions of a single branch...

Can anyone suggest a comprehensive and illusrative electrical design book for commercial installations?

What types of work are available for an electrical PE (power major)starting up a small business and where would most of this work come from?

Anyone involved in lightning protection, including surge protection, in accordance with NFPA 780? How is the business?

Let me ask a very basic question. What electrical work requires a PE Stamp in most states,towns, etc.to obtain a permit? I realize that new or renovated commercal/residental buildings would apply, but what about relatively simple work like upgrading an electrical service done by an electrical...

I'm a PE EE with many years of experience with the NEC who wishes to start a small business designing electrical circuits for residential and commercial buildings. Whom (contractor, etc) would require the services/stamp of a PE EE in the above areas and what specifically would be provided...

The Commentary to the 1997 NDS(Page 8)states the following: "Permanent Loading Factor. By the late 1930's, a factor of 9/16 the short term strength had become established as the safe working stress level for long term loads... these recommendations were based on the results of load...