Voltcraft lzg 1 dmm cable tester voltcraft lzg 1 dmm p the voltcraft lzg 1 dmm cable tester will identify up to 16 veins of cables not carrying any voltage without the help of another person the lzg dmm 1 has the extensive features of a multimeter the lzg dimm 1 will measure direct and alternating voltages up to a maximum of 600v dc ac rms effective p voltcraft lzg 1 dmm and cable tester