BNC adapter to 4 mm safety measuring sockets. Suitable for electrical engineering, industry, laboratory, radio technology. Application: For connecting two 4 mm safety measuring cables to BNC connections. For use with oscilloscopes, function generators, frequency counters and wall box adapters. For measuring the duty cycle of the CP signal from wall boxes using an oscilloscope / multimeter (MM 7-2 044690). Properties: 2 x 4 mm safety measuring socket to BNC (male). No resistance / transformation ratio. Plug-in technology other. Material of the insulating material other. Current load capacity 0 A. Measuring circuit category CAT III. 500 V CAT I, 150 V CAT III.