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15.4.3. Detection of a source of short circuit


For detection of a source of short circuit, disconnect chain loading elements in the beginning (elements of loading of a chain are elements which consume electric current, such as bulbs, electric motors, heating elements, etc.).

Remove the corresponding safety lock and connect probes of a tester or the voltmeter to safety lock plugs.

Include food in chains, at the same time do not forget that some chains of electric equipment join only at turn of a key in the ignition lock in a certain situation.

If tension is present (what the control bulb or indications of the voltmeter testifies to), it means that in a chain there is a short circuit.

If when conducting check there is no tension, however the safety lock still fuses at connection of that loading of a chain, it demonstrates failure of an element of loading.