Additional courses and material that you may be interested in!

Code & Power Calculations ebook pdf

This is the Code and Calculations Ebook in PDF format.  Cost is $12.  You must create a free account and then pay for the ebook using PayPal (all you need is a credit card to use this feature on PayPal).

Table of Contents

What is Risk Assessment? .......................................................................................................................... 3 What is the purpose of the Arc Flash Hazard Assessment? .............................................................. 4 How do I determine the Arc Flash Risk Assessment? ........................................................................ 4 What does an Incident Energy Analysis (Arc Flash) study do for me? ........................................... 4 How often should an Arc Flash Risk Assessment be performed or re-evaluated? ....................... 5 What should the Risk Assessment tell me? .......................................................................................... 5 Are there ways to stop or reduce arc flash energy? ........................................................................... 6 What information is required on an Equipment Label for Arc Flash? ............................................ 6 Does Safety Prohibit Maintenance and Production? .......................................................................... 7 Case Study: Cost of an Unqualified Maintenance Worker Performing Electrical Maintenance 8
Has the worker been Properly Trained to evaluate the risk associated with expected Job Tasks? ............. 9 Who is responsible to provide worker training, Employee or Employer? ............................................ 9
Equation to Be Used When Considering Risk Assessment ......................................................................... 10
Severity of Risk Table .................................................................................................................................. 11
General Risk Assessment Policy Guidelines ................................................................................................ 12
De-energized Electrical Equipment ............................................................................................................. 12
Restoring Energy to Electrical Equipment .................................................................................................. 14
Procedures For Testing Or Temporary Operation ...................................................................................... 15
Equipment Shutdown ................................................................................................................................. 15
How to Maintain Risk Assessment .............................................................................................................. 15
Training ....................................................................................................................................................... 15
Retraining .................................................................................................................................................... 16
Training Documentation – NFPA 70E.110.2.E ............................................................................................. 16
Plan Documentation - ................................................................................................................................. 16 Control of Energy Documentation – ........................................................................................................... 16 Identification Documentation – .................................................................................................................. 17
Audit Procedures ........................................................................................................................................ 17
Safety Interlocks .......................................................................................................................................... 18
Example of De-Energizing and Energizing Equipment ................................................................................ 18
Temporary Protective Grounding Based on NFPA 70E.120.3.A ................................................................. 18
120.3 Temporary Protective Grounding Equipment. ............................................................................. 19
(A) Placement. ..................................................................................................................................... 19
(B) Capacity. ........................................................................................................................................ 19
(D) Impedance. .................................................................................................................................... 20
Labeling Requirements ............................................................................................................................... 21
Barricades and Boundaries ......................................................................................................................... 21
Responsible Parties ..................................................................................................................................... 22
Test and Measurement ............................................................................................................................... 22