By Bp Safety Group
This e-book raises the notice of operators in the chemical and technique industries, to the dangers of electrical energy and static electrical energy. It starts through describing how electric and static electric dangers can ensue, sooner than mentioning the aptitude risks. This e-book contains a part on arc flash and blast dangers and new incident descriptions overlaying garage tank filling risks and lightning dangers. utilizing case reports of tangible injuries to focus on the aptitude threats and clarify the prospective reasons earlier than giving power safeguards, it increases the information and information of operators to the hazards of electrical energy and static electrical energy, permitting them to identify dangers prior to injuries happen. The ebook concludes with a self-test part permitting readers to check their knowing of the data awarded. a very good creation to the subject for college students.
Content:
entrance topic
• desk of Contents
• 1. advent
• 2. Sparks, Arcs and Ignition power
• three. sector type
four. dangers of Static electrical energy
• five. risks of Lightning
• 6. dangers of Stray Currents
7. Bonding and Grounding
eight. risks of electric surprise
nine. Explosion and hearth dangers of electric gear
• 10. risks of wrong Operation of electric apparatus
eleven. Safeguards for electric apparatus
12. energy Outages
• thirteen. a few issues to recollect
Appendices
• try out your self!
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Extra resources for Hazards of Electricity and Static Electricity
Sample text
Spark discharge of the static electricity on the truck during loading can result in fire or explosion. Always connect the grounding cable to eliminate this hazard. Bonding a charged metallic object to a second metallic object insulated from earth will not necessarily do away with the charge. It will only cause the two objects to share the original charge of the first object, with a reduction in voltage between the objects and ground. The amount of this reduction depends upon the size of the second object.
52 HAZARDS OF ELECTRICITY AND STATIC ELECTRICITY 8. If the victim’s mouth can’t be opened, rescue breathing should be applied mouth-to-nose, rather than mouth-to-mouth. • • Never give an unconscious victim any liquids. • Also remember that even if electrical burns look minor at the entry and exit points, there might be invisible internal damage. Consult a doctor immediately after an electrical shock. Efforts to aid a victim should be continued until he revives or is pronounced dead by a physician.
Bonding cables may be removed, breaking connection first at lug. Cables must be reinstalled, making lug connection last before new valve or spool is installed. Tank-car loading or unloading racks can be a source of danger because of stray currents in associated pipelines and/or spur tracks. Bonding (connecting with a piece of wire or metal) the tracks to the pipelines (Figure 28) is used to eliminate arcing. Insulated joints in both the tracks and pipelines entering and leaving the racks may be used to minimize the flow of stray currents.