How to prevent electrical hazards in the workplace is the focus of
this guide. It spells out proper design, maintenance, and operating
procedures for minimizing the risks of electrical fires, accidents,
and injuries on the job. Coverage of the latest electrical
standards helps you comply with the current National Electrical
Code (NEC)(R) and OSHA requirements. NEC requirements and
procedures are provided for grounding an electrical distribution
system, selecting proper conductors, sizing the feeder, and
effective branch circuit overcurrent protection. Safety
considerations are explored for single and three-phase systems,
fuses, plugs, and ground fault circuit interrupters (GFCIs). The
guide also clarifies factors that influence soil resistivity, and
it analyzes correction factors for special situations such as high
ambient temperature environments. Human responses to electric shock
are covered in detail. Among the important areas addressed are the
approximate electrical impedance of the human body, thresholds of
shock perception, let-go currents, asphyxia, ventricular
fibrillation, and respiratory arrest. A bounty of solutions to help
you solve electrical safety problems related to:
- Hazardous locations -- Find out how to assess potential
ignition sources, ventilation requirements, surface temperature
conditions, and conduit and cable sealing requirements.
- Current-carrying conductors in fire environments -- See how to
evaluate insulation behavior, conductor melting temperatures, and
the effects of nicks and broken strands, as well as how to make
investigations at the scene of a fire.
- Lightning protection -- Equip yourself to determine the
probability of lightning strikes inspecific locations, and mitigate
the effects of a direct strike on buildings, equipment, and
personnel. How to provide voltage surge protection is also
discussed.
- Static electricity -- Learn about the fundamentals of
electrical charge induction and mechanisms for static charge
ignition.
Numerous case histories provide valuable insights into accident
provention. In addition, the guide provides a review of electricity
basics ranging from definitions of terms to the physics of the
electric arc. It provides full-scope coverage of all electrical
safety issues in the workplace. Electrical Hazards and Accidents:
Their Cause and Prevention is an essential source for facility
engineers, electrical engineers, plant engineers, plant managers,
electricians, regulatory managers, and accident and insurance
investigators.
General
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