The main objectives of occupational safety and health are the prevention of occupational injuries, occupational diseases and all-round improvement of working conditions.
The radical change in the nature of work leads to a reduction in the number of occupations that require physical effort, but a growing number of occupations associated with increased nervous tension. The role and functions of man in the "man - machine - environment 'to a large extent determined by the job safety. There is a problem of creating such art and such conditions, which would be consistent with the psychophysical capabilities of man. Therefore, modern methods of working are widely used to achieve such sciences as psychology, occupational Safety is an integral part of the subject safety. Safety rules define organizational and technical measures, as well as a means to prevent exposure of employees to hazardous working environments. For instance, prevent the effects of such hazards as electrical current is determined by the rules of electric safety. Basic knowledge of electrical safety must be every signaler, as no business connection is complete without the use of electrical energy.
The product includes a system of institutional sanitation, hygiene and sanitation activities and facilities to prevent exposure of employees to harmful factors.
   With OSH closely linked and fire safety. Preventing fires and explosions, as well as protection from the impacts of hazards, fire up the content section of the security.

Occupational diseases are the result of effects on the body of harmful factors. They differ from work-related injuries so that the disease is no element of surprise. Acute poisoning, heat stroke and frostbite treated as personal injury.
Causes of occupational injuries in the communications can be divided into the following groups:
organization, which include non-compliance with TB untrained patient, the wrong methods of work, deficiencies in workplace organization and process, lack of personal protective equipment, lack of leadership and supervision when working with high-risk and violation of labor discipline;