Eddie Guidry

Eddie
Guidry
Technical Director,
Fluor Enterprises, Inc.
31

Eddie Guidry is a technical director at Fluor Enterprises, Inc., Sugar Land, Texas. He is highly skilled in electrical and control systems for industrial construction, design, and engineering (both domestic and abroad). The majority of Eddie’s 38 years of experience includes upstream and downstream portions of petrochemical plants and refineries. He is also heavily experienced in water and wastewater treatment facilities. Eddie is very active in the development of U.S. national (ANSI) and international codes and standards, and has been a principal member of the National Fire Protection Association (NFPA) National Electrical Code (NEC) committee since 1999 and NFPA’s National Advisory Committee on Electrical Safety Research since 2008. Eddie, who has also developed and conducted many electrical courses and seminars over the years, currently holds the corporate Master Electrician license for Fluor Corporation in the State of Texas and is also an ICC/IAEI certified electrical inspector.

Articles
Choosing the Right Cable Insulation for Medium-Voltage Installations  3
As compared to small commercial and residential projects, choosing the appropriate power cable insulation for large industrial installations can be a bit more complex, especially for medium-voltage (MV) applications. For the purposes of this article, MV is defined as 2,001V through 35,000V.
Mixing Cables Over and Under 600V in Cable Tray 
At times it becomes necessary, or even desirable, to route medium- or high-voltage cables (greater than 600V) in the same cable tray with cables rated 600V or less.
Industrial Electric Heat-Tracing Basics
Petrochemical plants have many thousands of feet of electric heat tracing.
Conductor Sizes Directly Related to Terminal Temperature Ratings 15
Although the requirements for limiting the ampacities of conductors to that of the terminal temperature ratings found in NEC Table 310.15(B)(16) has been clear in Sec. 110.14(C)(1) for many years (since the reference to the specific table was added several Code cycles back), confusion still exists on what this Section means and how it affects conductor sizes. Let’s try and clear the air a bit by reviewing a couple of real-world examples of how to apply these Code requirements.
The Basics of Cable Pulling 
Every electrical installation requires the pulling of cable.
Is it a Service or a Separately Derived System? 6
Unlike residential and commercial installations, sometimes it’s difficult to determine the difference between a “service” and a “separately derived system” in an industrial setting.
Instantaneous vs. Inverse Time Circuit Breakers for Motors  14
There’s an important difference between these two types of circuit breakers.
NEMA General-Purpose Contactors Switching Dry Type Transformers 6
In many electrical installations, general-purpose contactors are used to switch the supply voltage to a small dry-type transformer on and off. One common reason this is done is for area lighting control.
Make Sure Your Industrial Control Panels are UL 508 or NEC Compliant 6
Article 409 [Industrial Control Panels] of the National Electrical Code (NEC) has been a part of the Code since the 2005 edition.
A Primer on UL Marking and Application Guides
It’s widely understood that the National Electrical Code (NEC) isn’t a “stand-alone” document.
Do Motors in Class I, Div. 2 Areas Require a T-Code?
Most motors in petrochemical plants are located in hazardous (classified) areas.
Building and Maintaining a Safe Substation Battery System 4
Substations are prevalent in all petrochemical facilities. Their function is to distribute power to the process units. Typically, there are either one or two types of battery systems within each substation.
Who’s Got the Power? 3
In Art. 100 of the 2014 National Electrical Code (NEC), the term Authority Having Jurisdiction (AHJ) is defined as “An organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure.”
Type TC vs. Type TC-ER Cable
You may be in violation of the NEC without even knowing it.
Sensitive Electronic Grounding in Industrial Locations 6
Thirty to 35 years ago, distributed control systems (DCSs), along with new analog and digital instrument systems, were in their infancy.
Electrical Testing Feed

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