A device for detecting a leakage current generation condition in a universal serial bus (USB) interface including at least one pull-up circuit connected to the at least one power pin, and a port controller configured to detect at least one impedance between a ground pin and at least one power pin, detect a leakage current generation condition in the at least one power pin based on the at least one impedance detected, and activate a detection signal in response to the leakage current generation condition being detected, the port controller configured to detect the at least one impedance by controlling the at least one pull-up circuit to pull up the at least one power pin and detecting a voltage of the at least one power pin may be provided.

An electricity meter includes at least one input terminal, at least one voltage sensor, and at least one current sensor, and a processor unit arranged to acquire the voltage measurements and the current measurements, and to detect a first period during which the source current is less than a first predefined current threshold, and a second period during which the source current is greater than a second predefined current threshold, to acquire a first voltage measurement during the first period and a second voltage measurement during the second period, and to detect faulty clamping between at least one wire and the input terminal when at least one detection value representative of a difference between a first voltage measurement and a second voltage measurement is greater than or equal to a voltage threshold.

In a method for the determination of an electrical contact property in a contact region between a first contact element of a first plug device and a second complementary contact element of a second plug device, a property of a current path including the first contact element, the contact region, and from the second plug device only the second contact element is evaluated and an induction voltage is generated in the current path for a measurement in the current path to thereby enable to draw a conclusion about the electrical contact property.

In a method for the determination of an electrical contact property in a contact region between a first contact element of a first plug device and a second complementary contact element of a second plug device, a property of a current path including the first contact element, the contact region, and from the second plug device only the second contact element is evaluated and an induction voltage is generated in the current path for a measurement in the current path to thereby enable to draw a conclusion about the electrical contact property.

Test system and methods for testing a wiring harness. In one embodiment, a remote tester of the test system includes a connector member comprising a terminal end having one or more terminals configured to mate with terminals in an electrical connector of the wiring harness, and a tester control member integrated on a back end. The tester control member includes a housing that protrudes from the back end of the connector member, test circuitry electrically coupled to the terminals of the connector member, a wireless transceiver that communicates with a central controller to receive a test program, and a battery. The test circuitry performs a test on the wiring harness based on the test program, and reports test results to the central controller.

Test system and methods for testing a wiring harness. In one embodiment, a remote tester of the test system includes a connector member comprising a terminal end having one or more terminals configured to mate with terminals in an electrical connector of the wiring harness, and a tester control member integrated on a back end. The tester control member includes a housing that protrudes from the back end of the connector member, test circuitry electrically coupled to the terminals of the connector member, a wireless transceiver that communicates with a central controller to receive a test program, and a battery. The test circuitry performs a test on the wiring harness based on the test program, and reports test results to the central controller.

An electrical test device for testing electrical characteristics of a cable assembly with a plurality of cable connectors includes a frame having a test platform, and an electrical tester mounted on the frame for testing the electrical characteristics of the cable assembly. A cable connecting and holding mechanism is provided on the test platform and includes a plurality of connector carriers, wherein each connector carrier holds one of the plurality of cable connectors of the cable assembly and electrically connecting the one cable connector to the electrical tester.

An electrical test device for testing electrical characteristics of a cable assembly with a plurality of cable connectors includes a frame having a test platform, and an electrical tester mounted on the frame for testing the electrical characteristics of the cable assembly. A cable connecting and holding mechanism is provided on the test platform and includes a plurality of connector carriers, wherein each connector carrier holds one of the plurality of cable connectors of the cable assembly and electrically connecting the one cable connector to the electrical tester.

An arrangement and a process for monitoring an electrical safety interlock, based on the task of providing a solution with which affordable and robust monitoring in a safety interlock is facilitated and the overall complexity of the circuitry is reduced. This task is resolved on the arrangement side by the separate circuit being connected to a signal generation and evaluation unit that generates a continuous and value-discrete signal. On the process side, the task is resolved by the monitoring of the circuit being performed using a continuous and value-discrete signal, which is provided by a signal generation and evaluation unit and whose transfer via the circuit is evaluated by the signal generation and evaluation unit.

An arrangement and a process for monitoring an electrical safety interlock, based on the task of providing a solution with which affordable and robust monitoring in a safety interlock is facilitated and the overall complexity of the circuitry is reduced. This task is resolved on the arrangement side by the separate circuit being connected to a signal generation and evaluation unit that generates a continuous and value-discrete signal. On the process side, the task is resolved by the monitoring of the circuit being performed using a continuous and value-discrete signal, which is provided by a signal generation and evaluation unit and whose transfer via the circuit is evaluated by the signal generation and evaluation unit.