Current tongs HT4012 serve for measuring alternating current to 400A (regime of [avtoranzhirovaniya]), stress AC/DC, resistance and electrical conductivity. Practical rubber cover can shut tongs (patent), beside it the probe is put, making possible conducting test as far as one hand. Instrument corresponds to standard EN 61010-1, category of safety CAT OF THE III - 600V and is ideal for conducting the measurements both in the enterprises and due to the household conditions.