SAFETY PRECAUTIONS WHEN WORKING WITH POWER

For power tools include electric drills, Electric soldering irons, electric saws, portable lamps, etc., i.e., the tools; principles of operation are based on the use of electrical energy. By working with power tools are permitted, those who know how to handle it.
From the standpoint of safety to the power tool must meet the following general requirements.
Power tools should be available not to touch live parts. Housing is made of metal or solid insulating materials. Apply multi-core lead-in wires, enclosed in a rubber hose. Metal hull power tools are grounded, if the voltage exceeds 42 V. To connect a ground wire on the body of a special terminal marked "3". Recently, for connection of the power sockets and plugs profiteth, except for contacts with performing the voltage supply, ground contact, through which the body is securely grounded or vanishes.
In areas without heightened risk of electric voltage is allowed to use no higher than 220 V. In rooms with high-risk use of electric tools, designed for a voltage above 42 V, in exceptional cases - in 220, but always with insulating protective equipment (gloves, rugs, etc.) In areas of particularly dangerous strain of the power must be above 42, use insulating protective equipment required.
Portable electrical lamps in high-risk areas should be designed for a voltage above 12 V sockets, designed for low voltage must be structurally different from the outlets at 220 to eliminate the erroneous inclusion of the power. As a source of low voltage transformers can be used.
Before you start, power tools should be inspected and verified to make sure that the wires and the grounding conductor does not have the kinks.
Do not use defective power tool, disassemble and repair it yourself.