Construction Workforce Training Center. Apprenticeship Training - Continuing Education Exam Preparation - Operator Qualifications Electrical Safety Training. Texas. Ohio. New Mexico. www.cwtc-tx.com Construction Workforce Training Center 5308 Andrews highway Odessa, Texas 79762
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Apprenticeship Training - Continuing Education
Exam Preparation - Operator Qualifications
Electrical Safety Training
Construction Workforce Training Center
5308 Andrews highway
Odessa, Texas 79762
Office: 432 – 366 - 7676
Cell: 432 – 967 - 4280
Construction Workforce Training Center and Dan Dudleywill not be responsible for the interpretation or application of any electrical work in any form by any person, company, agency or organization.
The views expressed in this class are personal views and shall not be considered as a “Formal Interpretation”.
This training class is intended solely to focus attention and awareness on the potential electrical safety issues and various methods to address those hazards. The selection of any particular method is the responsibility of the entity or person selecting the method and any questions should be addressed to the appropriate agency or authority.
The National Electrical Code®, NEC®, NFPA®, NESC® are Registered Trademarks of the National Fire Protection Association, Quincy, MA.
OSHA is the Occupational Safety and Health Administration. This course quotes OSHA regulations however OSHA is in no way associated with this class.
for 18 states
training class approved for 18 hours CE credit in 17 states
a US Dept of Labor and Veterans Admin registered 4 year
Electrical Apprenticeship training program.
TDLR – Texas Department of Licensing & Regulation
NCCER – National Center for Construction Education and Research
According to burn centers, if your age and the percentage of burns over your body is equal to or greater than 100 your odds of survival are less than 5%
Example of an arcing fault
Solid to Vapor
Hot Air-Rapid Expansion
The closest distance an “unqualified” person can approach, unless escorted by a “qualified” person.
Energized panel (<750V)
3 feet 6 inches for 480V
The closest distance to exposed live parts a “qualified” person can approach w/out proper PPE and tools.
To cross this boundary, the qualified person must wear PPE and have proper tools.
12 inches for 480 volts
Crossed ONLY by a “qualified” person, which when crossed by body part or object, requires the same protection as if direct contact was made with the live part.
1 inch for 480 volts
Flash Protection Boundary
Hazard Risk Category 1
Hazard Risk Category 0
Hazard Risk Category 2
Electrical PPE for Arc Flash and Arc Blast
NEC® 2008 - 110.16 Flash Protection
Electrical equipment, such as switchboards, panelboards, industrial control panels, meter socket enclosures, and motor control centers, that are in other than dwelling occupancies, and are likely to require examination, adjustment, servicing, or maintenance while energized shall be field marked to warn qualified persons of potential electric arc flash hazards. The marking shall be located so as to be clearly visible to qualified persons before examination, adjustment, servicing, or maintenance of the equipment.
Arc Flash and Shock Hazards
Appropriate PPE Required
Failure to Comply Can Result in Death or Injury
Flash Hazard Boundary
Flash Hazard at 18 inches
Hazard Risk Category 4 cal/cm2 shirt & pants hard hat, safety glasses, FR rated faceshield
500V Class 00 gloves, leather protectors
XYZ Motor StarterNEC 110.16 ARC-FLASH labelwith more information
For practical application needs to be feet
Electrical Safety Requirements
A qualified person shall be trained and knowledgeable of construction and operation of equipment or work method and trained to recognize and avoid hazard (110.6(D)(1))
OSHA GENERAL DUTY CLAUSE
29 USC 654Section 5 (a) (1)
(a) Each employer
(1) shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees;
(2) shall comply with occupational safety and health standards promulgated under this Act.
(b) Each employee shall comply with occupational safety and health standards and all rules, regulations, and orders issued pursuant to this Act which are applicable to his own actions and conduct.