The present invention relates to an electrocardiography (ECG) connector comprising two lead wire terminals (40a, 40b), each for connection with a respective signal line of a respective lead wire (204, 205), four measurement terminals (41a, 41b, 42a, 42b), each for connection with a respective measurement line (208a, 208b, 208c, 208d) of a connection cable (208), four resistors (43a, 43b, 44a, 44b), each coupled with their first end to a respective measurement terminal (41a, 41b, 42a, 42b), wherein two resistors (43a, 44a) are coupled with their second end to a first lead wire terminal (40a) and the other two resistors (43b, 44b) are coupled with their second end to the second lead wire terminal (40b), and four voltage clamping elements (45a, 45b, 46a, 46b), each coupled with their first end to a respective measurement terminal (43a, 43b, 44a, 44b) and with their second end to a common coupling point (47).
