What are the safety rules for electricity?

Electrical SAFETY Rules

safety policy: No operating conditions or urgency of work can ever   justify     endangering the life of someone. 

1.       SAFETY PRINCIPLES

1.1       FIVE SAFETY PRINCIPLES

Before performing any job or work, the following five safety principles must be considered.

1.                  Know and identify hazard.

This means that what kind of hazard or danger may exist in the work to be done. Generally two hazards exist in any kind of work
to be performed in a grid station.

i.                    Electric hazard

ii.                 Failing hazard

Sometimes mechanical hazard i.e. hazard due to accidents closing / opening of work during work on breaker, also exists.  Electrostatic and electromagnetic inductions are also example of hazards   

2.                  Eliminate or remove hard, if possible.

Electric hazard must always be removed by isolating the circuit, grounding, bonding, use of caution notice and line teasing etc.

3.                  Control or reduce hazard, if it cannot be removed.

4.                  Minimize injuries by use of approved protective gears when hazard is out of control.

5.                  Minimize severity of injury, if an injury occurs.

This is accomplished by use of first aid and artificial respiration.

1.2     EXAMPLE

Job is to replace a defective light fixture.

What two hazards exist in this job?

i.                    Electric hazard and

ii.                 Falling hazard

a.                  Electric hazard must be removed

b.                  Falling hazard should be controlled