The present disclosure relates to a busbar for connecting battery cells, a battery pack, and a method for manufacturing the battery pack, and more particularly, to a busbar for electrically connecting a plurality of battery cells, a battery pack and a method for manufacturing the battery pack. In accordance with an exemplary embodiment, a battery pack includes: a plurality of battery cells; and a busbar for electrically connecting the plurality of battery cells, wherein the busbar includes: a lead part extending onto each of electrode terminals of the battery cells; a first welding protrusion formed on the lead part and joined to each of the electrode terminals; and a second welding protrusion formed on the lead part and disposed to be spaced apart from each of the electrode terminals.

Provided is an interlock device for a high voltage apparatus which enables not only the diagnosis of the connected or non-connected state of a connector during normal operation of the interlock device, but also the detection of a failure of the interlock device itself, including a failure of the interlock loop. The device includes an interlock loop 16 annexed to an HV connector 7 for connecting an electric compressor to an HV battery 8, a detecting signal output unit, a first switching element, a controlling voltage switching circuit operable, in a closed state of the interlock loop, to switch a voltage applied to a control electrode of the first switching element according to an output of the detecting signal output unit, a second switching element operable, in an open state of the interlock loop, to apply to the control electrode of the first switching element an output of the controlling voltage switching circuit so as to cause an ON/OFF state of the first switching element to be inverted from when the interlock loop is in the closed state, and a failure diagnosis unit.

A device for detecting and/or monitoring a protective earth connection in a mains electricity outlet includes an electrical current conducting unit between the line wire and/or neutral wire of the mains electricity and the protective earth wire allowing the flow of a detection current between the line wire and/or neutral wire and the protective earth wire. The device is furthermore configured for measuring the detection current and comparing the detection current with a preselected reference current. A method for detecting and/or monitoring a protective earth connection in a mains electricity outlet includes the steps of measuring a detection current from the line wire and/or neutral wire of the mains electricity through an electrical current conducting unit to the protective earth wire, and comparing the measured detection current to a preselected reference current.

A device for detecting and/or monitoring a protective earth connection in a mains electricity outlet includes an electrical current conducting unit between the line wire and/or neutral wire of the mains electricity and the protective earth wire allowing the flow of a detection current between the line wire and/or neutral wire and the protective earth wire. The device is furthermore configured for measuring the detection current and comparing the detection current with a preselected reference current. A method for detecting and/or monitoring a protective earth connection in a mains electricity outlet includes the steps of measuring a detection current from the line wire and/or neutral wire of the mains electricity through an electrical current conducting unit to the protective earth wire, and comparing the measured detection current to a preselected reference current.

A test cable is adapted to test punch down blocks used in voice or data communication wiring. The test cable includes a patch cable section having a plurality of wires surrounded by a sheath, a first adapter connected to an end of the patch cable section, a plurality of sub-cables that emerge from patch cable section, each sub-cable including a pair of wires continuing from the plurality of wires in the patch cable section, and a plurality of sub-cable adapters connected to the plurality of sub-cables. Characteristically, each sub-cable has a sub-cable adapted thereto. A method for applying the test cable is also provided.

A system for detecting miswiring in an AC power supply for an appliance may comprise a phase sensor sensing the phase difference between the first and a second hot line powering heavy electrical loads therebetween, and a control module coupling to the phase and voltage sensors. The control module may identify a fault condition and may disconnect different electrical loads from the power supply in the fault condition.

A system for detecting miswiring in an AC power supply for an appliance may comprise a phase sensor sensing the phase difference between the first and a second hot line powering heavy electrical loads therebetween, and a control module coupling to the phase and voltage sensors. The control module may identify a fault condition and may disconnect different electrical loads from the power supply in the fault condition.

There is provided an electronic control unit capable of detecting an abnormality of a dark current while suppressing increase in the size of a circuit. The electronic control unit includes a control unit that operates with a current supplied via a power-supply input terminal from a battery, and a diode arranged on a power supply path connecting the power-supply input terminal with the control unit and serving as a reverse connection protection element that prevents a reverse current when the battery is reversely connected to the power-supply input terminal, and detects an abnormality of a dark current flowing through the diode based on a voltage difference between a voltage on the power-supply input terminal side of the diode and a voltage on the control unit side.

There is provided an electronic control unit capable of detecting an abnormality of a dark current while suppressing increase in the size of a circuit. The electronic control unit includes a control unit that operates with a current supplied via a power-supply input terminal from a battery, and a diode arranged on a power supply path connecting the power-supply input terminal with the control unit and serving as a reverse connection protection element that prevents a reverse current when the battery is reversely connected to the power-supply input terminal, and detects an abnormality of a dark current flowing through the diode based on a voltage difference between a voltage on the power-supply input terminal side of the diode and a voltage on the control unit side.

A method of identifying opposing ends of a cable within a cabling assembly having a plurality of cables. The method includes transmitting a signal to a first end of a cable of the plurality of cables, receiving the signal at a second end of the cable of the plurality of cables, transmitting an output signal from a connector operably coupled to the second end of the cable of the plurality of cables to a processor. The connector is one of a plurality of connectors. The method additionally includes identifying using an indicator device the connector of the plurality of connectors that is operably coupled to the second end of the cable.