Matches 1 - 50 out of 194 1 2 3 4 >


Match Document Document Title
8988234 Alarm system  
An alarm system for alarming whenever there is a power leakage from an electronic device, includes a voltage decreasing circuit, a switch circuit and an alarm circuit. The voltage decreasing...
8912800 Wireless portable automated harness scanner system and method therefor  
The present document describes an assembly for interfacing an existing harness connector of an installed wiring harness to a test module, the assembly comprising: a harness-specific connector for...
8890538 Sensing system and method for manufacturing the same  
A system includes a sensor housing having a base portion, a lid portion, and a joining portion. The joining portion is configured to be wrapped around at least a portion of an electrical wire. The...
8866485 Combination receptacle and plug circuit tester  
An electrical circuit tester includes a first testing device and a second testing device provided in a hand-held housing, each being electrically isolated from the other. Multiple light sources...
8810250 Apparatus, system and methods for ground current detection  
Various systems, methods and apparatus are described for detecting an excessive or faulty ground current in a conductive wire or electronic device. A ground current detector is coupled to a known...
8736248 Detection circuit and a method for detecting a wrong supply voltage  
The present invention relates to a detection circuit for detecting that a power supply unit is connected to a wrong supply voltage. Said detection circuit comprises a first voltage divider (24,...
8648606 Ground monitor  
A ground monitor is disclosed. The ground monitor may be configured to conduct a ground continuity test based on a determined ground resistance. The ground monitor may be operable to determine the...
8624577 Identifying a cable path using light emitting diodes  
In one embodiment, a system for identifying a cable path may be provided. The system may include a cable set operable to transmit data, the cable set comprising power delivery wires designed to...
8502542 Apparatus and method for monitoring a phase line of a section of an electrical energy transmission line  
An appliance and a method are intended to monitor a phase line of a section of an electrical energy grid line. The appliance comprises a device for monitoring a parameter of a phase line. The...
8341837 Modular power distribution and control system  
The invention describes apparatus for designing and installing power distribution systems for: residential, commercial and industrial applications, as well as for power distribution within...
8339270 Electrical ground protection device, circuit tester and method of circuit condition detection  
An apparatus and method for protecting against electrocution hazards that arise when an appliance is electrically connected to a miswired single-phase AC electrical source which includes an...
8248058 Signal testing apparatus for load control system  
A system for testing power line carrier signal integrity or strength in a building electrical system includes a transmitter module electrically coupled to a first electrical outlet and configured...
8228068 Systems and methods for detecting wire breaks  
A circuit is provided that includes a power source and a sensor circuit electrically coupled by a switch to the power source. The circuit further includes an A/D converter electrically coupled to...
8078303 Electronic supervisor  
Electronic supervision may be provided. First, a stock number may be sent to a database server. The stock number may correspond to a product comprising, for example, an electrical cable. In...
8004803 Variable speed drive  
Systems and methods for improved Variable Speed Drives are provided. One embodiment relates to apparatus for common mode and differential mode filtering for motor or compressor bearing protection...
7994795 Shore power cord ground wire current detector  
A current detector and indicator unit are coupled to a shore power cord for monitoring for corrosion-causing galvanic current on the ground wire of the power cord. A current transducer coupled to...
7969046 Power supply control apparatus  
The present invention is to provide a power supply control apparatus which can connect a ground to a suitable electric potential when the ground is disconnected. The power supply control apparatus...
7969154 Methods for installing an antenna reception system  
Various systems, methods and apparatus are described for detecting an excessive or faulty ground current in a conductive wire or electronic device. A ground current detector is coupled to a known...
7944212 Receptacle tester with text display  
A tester is disclosed for testing a wiring state of a live electrical receptacle outlet. The tester comprises a body having a display located thereon and a plug extending from the body. The...
7884618 Testing system for electricity safety and a testing method therefor  
A system for testing the safety of electricity includes steps as following. First step is inserting a testing apparatus into a socket of utility power. Second step is providing a first amplifier...
7881887 Wireless wireharness testing system  
A system and method for wireharness testing includes at least one probe attachable to a connector of a wireharness, the at least one probe in wireless communication with a controller to identify a...
7872464 Hand held arc fault testing system  
A testing system includes a hand-held transmitter that plugs into a receptacle electrically coupled to a selected branch circuit. The transmitter includes a circuit effective to test an arc fault...
7852090 Apparatus, system and methods for ground current detection  
Various systems, methods and apparatus are described for detecting an excessive or faulty ground current in a conductive wire or electronic device. A ground current detector is coupled to a known...
7667482 Inductively powered power bus apparatus  
An apparatus for a power bus includes an inductive power harvesting unit structured to provide a first power output arising from current flowing in the power bus, an energy storage unit structured...
7633282 Multi-scanner device having a detachable outlet tester  
A multi-scanner device having a detection unit and an outlet tester that can be selectively connected together for convenient use and easy storage. Preferably, a plug on the outlet tester is...
7605594 Automated electrical wiring inspection system  
The present invention is directed to an electrical wiring inspection system that includes a user interface device including processor circuitry, a user interface, and a first communications...
7528734 System and method for automatically detecting power supply voltage  
A system for automatically detecting power supply voltage includes a voltage divider connected to a power supply, an A/D converter connected to the voltage divider, a detection module connected to...
7528609 Electrical testing device  
The present invention is directed to an electrical testing device for use in an AC electrical power distribution circuit including a plurality of AC electric power transmitting wires coupled...
7514932 Method of recognizing signal mis-wiring of a three-phase circuit  
A signal analyzer for calculating the power consumption and power factor of a three-phase power system driving a motor includes logic that determines whether the analyzer's own input terminals are...
7492559 Intelligent life testing methods and apparatus for leakage current protection  
An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a...
7471075 Multi-test Arc fault circuit interrupter tester  
A testing system includes a hand-held transmitter that plugs into a receptacle electrically coupled to a selected branch circuit. The transmitter includes a circuit effective to test an arc fault...
7446538 Device for identifying AC power supply arrangement  
A device for identifying an arrangement of an AC power supply. The device includes first and second voltage detecting circuits and a comparison logic circuit. The first voltage detecting circuit,...
7385406 Automated electrical wiring inspection system  
The present invention is directed to an electrical wiring inspection system. The system includes an electrical measurement apparatus having at least one load center connector configured to couple...
7323880 Ground circuit impedance measurement  
Novel apparatus and method accurately measure ground circuit impedance. A ground circuit and electrical current source adjusted to 25 amperes or less simulate a ground fault. Ground impedance is...
7307408 Cable locating device  
A device for identifying individual cables communicating between many remote locations to one central location using the building AC ground circuit to communicate between the remote location and...
7282921 System, apparatus and method for detection of electrical faults  
System for monitoring an electrical system of a facility includes one or more local sensing devices, each of which is adapted to be connected to the electrical system of the facility in proximity...
7259567 Power tester for electrical outlets  
A power tester apparatus for testing an electrical outlet. The power tester apparatus includes multiple indicators for identifying the condition of the electrical outlet.
7248056 Three-phase electrical receptacle tester  
A three phase receptacle tester including a housing, an electrical connection and a coupling assembly. The housing includes an outer surface, an opening and an inner cavity, wherein the opening...
7164273 Power source monitor  
A power source monitor and method to monitor various operating line conditions of an electrical power outlet comprising measuring line voltage and frequency, analyzing wiring conditions,...
7102344 Circuit tester  
A circuit testing device includes a housing that is sized and adapted to securely fit into a light bulb socket. The device includes spring-loaded prongs which securely hold the housing in place in...
7091723 AFCI circuit test module  
An arc fault circuit interrupter (AFCI) module includes a plug portion, a probe receiving portion and an AFCI test actuator for initiating a test of an AFCI protected circuit. More specifically,...
7068040 Ground circuit impedance measurement apparatus and method  
Novel ground circuit impedance measurement apparatus and method accurately measure ground circuit impedance. A ground circuit and electrical current source of 25 amperes or less simulate a ground...
7068038 240 volt outlet tester  
A 240 volt outlet tester is described. The 240 volt outlet tester includes a housing with three or four prongs extending outwardly from a base of the housing. The prongs are designed so that they...
7068037 Method of diagnosing inverter trouble  
Disclosed is a method of diagnosing inverter trouble capable of improving convenience of use and safety of the user by notifying the user of the error of switching devices used for outputting AC...
7061248 Electrical utility service tester  
An electrical utility service tester that is used for troubleshooting 120/208 or 120/240, three phase or single phase alternating current electrical utility services where 120 volt hot leg leads...
7057401 Electrical wiring inspection system  
A system for testing and documenting the electrical wiring in a building, for example, includes a Portable Circuit Analyzer (PCA) that is connected to the building's Load Center through an...
7030624 Electrical circuit tester  
An electrical circuit testing device is provided, comprising a case, a digital voltage level testing circuit with a display means, a switch to initiate measurement using the device, a non-shorting...
6982558 Electric circuit test device  
The present invention is directed to an electric circuit test device for testing an electric circuit. The test device is insertable into a receptacle. The receptacle includes electrical terminals...
6979787 Article for de-energizing a branch electrical circuit, and related processes  
A device for de-energizing an energized branch electrical circuit is described, as well as related processes. The device includes a circuit breaker, which itself includes a breaker switch, an...
6844712 Multi-test circuit breaker locator having a transmitter and a receiver  
A system for locating a circuit interrupter associated with a selected branch circuit. The system includes a passive transmitter that creates a current spike at a predetermined frequency and a...

Matches 1 - 50 out of 194 1 2 3 4 >