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Arc Flash Standards

NFPA 70E is the Standard for Electrical Safety in the Workplace. This is a document that is published by the NFPA and is not an OSHA document.

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OSHA

The Occupational Health and Safety Administration (OSHA) is responsible for enforcing work place safety regulations...

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OSHA & Arc Flash

OSHA has released their final ruling making major modifications to their 1910.269 section of the CFR.

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Arc Flash Compliance

Arc Flash compliance is essentially governed by OSHA although their regulations do not specifically address arc flash and...

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Short Circuit Current Calculations

The two main standards used for short circuit analysis would be from ANSI C37.010 and IEC 60909...

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Fault Current Calculations

Fault current is electrical current that is released during a system fault within the electrical system.

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NIOSH

NIOSH is part of the U.S. Centers for Disease Control and Prevention, in the U.S. Department of Health and Human Services.

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IEEE 1584 Arc Flash Calculations

The Institute of Electrical and Electronics Engineers (IEEE) published the IEEE 1584...

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Our Project Approach

Data Collection

Collecting the proper data from your power system is the most important aspect of the arc flash analysis. Having correct and concise data is vital to achieving accurate results. EDS offers many options for data collection to best suit your needs. Some of these options include off-site supervision and guidance of site personnel or local contractor, or onsite data collection working with site personnel or local contractor.
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One-Line Development

The one-line diagram is the basis of analysis. Data collected in the field is entered into engineering software to build a snapshot of your existing power system. Once this data is entered, many different types of power system analysis can be performed such as: Short Circuit Analysis, Protective Device Coordination, Load Flow Analysis, Harmonic Analysis, and Arc Flash Analysis.
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Short Circuit Analysis

EDS can provide Short-Circuit Analysis in accordance with IEEE std 551-2006; Recommended Practice for Calculating Short-Circuit Currents in Industrial and Commercial Power Systems (Violet Book), in accordance IEEE std 399-1997; Recommended Practice for Industrial and Commercial Power Systems Analysis (Brown Book), IEEE std 141-1993; Recommended Practice for Electrical Power Distribution for Industrial Plants (Red Book), and ANSI C37.010, C37.13, C37.5.
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