The document discusses electrical hazards, highlighting the effects of electric shock based on current levels. It identifies causes of electrical accidents, such as poor insulation, improper earthing, and inadequate guarding, emphasizing the need for trained electricians for live installations. Proper maintenance and periodic checking of tools and insulation are essential for safety.

1. Electrical Hazards and Safety
Measures

2. Electric shock is a general term used for the
excitation and disturbance of nerves and
muscles caused by passage of electric current.
• Higher the amount more is the severity. The effects
related to current are:-
• Upto 1 mA - No sensation
• > 5 mA - Experiences of shock
• >10 mA - Local muscular contract
• > 50 mA - Body cannot be released.
• > 50 mA to 80 mA - Pumping of heart stops.

3. CAUSES OF ELECTRICAL
ACCIDENTS
• Violation of Shutdown Procedure
• Lack of Skill / Authority
Only trained & authorized electrician
should work in the live installations.

4. • Poor Insulation
Insulation is the barrier
between the current flow
and the operator. It is
important to have a strong
insulated wiring to your
home

5. • Improper Earthing
Earthing of machines as per
Electricity Act / Rules (All
motors above 400 V to be
earthed with two separate and
distinct earthing).

6. • Inadequate Guarding
• Defective Tools
• Wrong Assumption
All the tools & tackles to be
maintained. Periodic
checking of insulation is
essential.

7. Feel free to call us 24 / 7 for Immediate Service.
Phone: (214) 329-4567
Fax: (214) 324-0033
Address:
Caddell Electric
3730 Dilido Rd, Ste 210
Dallas, TX 75228
Website: http://www.dallaselectricrepair.com
Reference: http://indiaguide.hubpages.com/hub/Electrical-Hazards-and-Safety-Measures