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An installation test system has a control device and one or more hand-held test devices. The control device and the one or more hand-held devices are in wireless communication via respective communication systems. The control device performs typical pre-power tests including insulation testing and g

An installation test system has a control device and one or more hand-held test devices. The control device and the one or more hand-held devices are in wireless communication via respective communication systems. The control device performs typical pre-power tests including insulation testing and ground testing. There is at least one hand-held device dedicated to testing for residual current in circuit breakers and another hand-held device dedicated to testing for loop impedance. The control device records all test data and stores data in storage.

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1. A system for installation testing comprising: a control device, a separate first hand-held device, and a separate second hand-held test device, the control device having a wireless receiver for wirelessly receiving test information from the first and second hand-held test devices,wherein the cont

1. A system for installation testing comprising: a control device, a separate first hand-held device, and a separate second hand-held test device, the control device having a wireless receiver for wirelessly receiving test information from the first and second hand-held test devices,wherein the control device electrically couples to at least one circuit in a circuit breaker panel having multiple circuit breakers and performs at least one test selected from the group consisting of residual current detection testing, loop impedance testing, insulation testing, and ground testing using measurement circuitry located in the control device when coupled to a circuit in the circuit breaker panel;wherein the first hand-held test device performs residual current detection testing using measurement circuitry located in the first hand-held test device when the first hand-held test device is coupled to a circuit breaker in the circuit breaker panel;wherein the second hand-held test device performs loop impedance testing using measurement circuitry located in the second hand-held test device when the second hand-held test device is plugged into individual electrical outlets; andwherein the test information received by the control device from the first and second hand-held test devices is based on the testing performed by the respective first and second hand-held test devices,the system further comprising one or more additional hand-held test devices, wherein each additional hand-held test device performs at least one test selected from the group consisting of residual current detection testing, loop impedance testing, insulation testing, and ground testing using measurement circuitry located in the respective hand-held test device, and wherein the wireless receiver of the control device is configured to wirelessly receive test information from each of the additional hand-held test devices based on the at least one test performed by each of the additional hand-held test devices. 2. The system of claim 1, wherein the first hand-held test device is dedicated to performing a residual current detection test. 3. The system of claim 1, wherein the second hand-held test device is dedicated to performing a loop impedance test. 4. The system of claim 1, wherein the control device has a processor, storage, and one or more programs stored in storage that, when executed, cause the control device to receive and store test data, and one or more test probes for conducting insulation testing and ground testing. 5. An installation and inspection system for testing new or existing circuits comprising: a control device having a display, a processor, storage, one or more probes for connecting to a circuit under test, a measuring system, and one or more programs stored in storage or pre-programmed into said processor, said programs for operating the processor to perform one or more tests on a circuit using the measuring system, said one or more tests selected from the group consisting of residual current detection testing, loop impedance testing, insulation testing, and ground testing, an input/output interface for entering commands or data and indicating test results, and a wireless transceiver for receiving test information;a first test device adapted to perform a residual current detection test on a circuit, said first test device being separate from the control device and having a measuring circuit that measures one or more circuit parameters, one or more probes that connect the measuring circuit in the first test device to a circuit under test, an interface including one or more switches for selecting one or more test parameters, a display for showing test parameters or test data, and a wireless transmitter to communicate test information based on the residual current detection test to the control device, anda second test device adapted to perform a loop impedance test on a circuit, said second test device being separate from the first test device and having a measuring circuit that measures one or more circuit parameters, one or more probes that connect the measuring circuit in the second test device to a circuit under test, an interface including one or more switches for selecting one or more test parameters, a display for showing test parameters or test data, and a wireless transmitter to communicate test information based on the loop impedance test to the control device. 6. The system of claim 5, wherein the control device is adapted to perform insulation testing. 7. The system of claim 5, wherein the control device is adapted to perform ground testing. 8. The system of claim 5, wherein the first test device is dedicated to performing residual current detection testing. 9. The system of claim 5, wherein the second test device is dedicated to performing loop impedance testing. 10. The system of claim 8, wherein the first test device has a probe for contacting a contact of a circuit breaker and for injecting current into the circuit breaker. 11. The system of claim 9, wherein the second test device has a test cord with a multi-prong plug for connecting to an outlet to conduct the loop impedance testing. 12. The system of claim 8, wherein the wireless transceiver of the control device is further adapted to wirelessly transmit test information to a separate computing device. 13. An installation and inspection method for testing new or existing circuits comprising: providing a control device with a processor, storage for holding measurement data, a measuring system for applying a test of an electrical parameter, and a wireless transceiver;providing a first hand-held test device with a measurement circuit that performs residual current detection testing of one or more circuits;providing a second hand-held test device with a measurement circuit that performs loop impedance testing of one or more circuits;operating the control device to perform at least one of an insulation test and a ground test;operating the first hand-held test device to perform a residual current detection test;operating the second hand-held test device to perform a loop impedance test;wirelessly transmitting results based on the tests performed by the first and second hand-held test devices to the control device;providing at least a third hand-held test device with a measurement circuit, and operating the third hand-held test device such that the third hand-held test device performs a loop impedance test; andrecording the wirelessly transmitted results in the storage of the control device. 14. The installation and inspection method of claim 13, wherein the first hand-held test device is dedicated to performing the residual current detection test. 15. The installation and inspection method of claim 13, wherein the second hand-held test device is dedicated to performing the loop impedance test. 16. An installation and inspection method for testing new or existing circuits comprising: providing a control device with a processor, storage for holding measurement data, a measuring system configured to perform one or more tests selected from the group consisting of residual current detection testing, loop impedance testing, insulation testing, and ground testing, and a wireless transceiver;providing two or more hand-held test devices, wherein each hand-held test device is configured to perform residual current detection testing using a measurement circuit located in the respective hand-held test device;operating the two or more hand-held test device such that each hand-held test device performs a residual current detection test of a different circuit during a same testing interval of time;wirelessly transmitting results based on the testing performed by the two or more hand-held test devices to the control device;providing at least a third hand-held test device with a measurement circuit, and operating the third hand-held test device such that the third hand-held test device performs a loop impedance test; andrecording the wirelessly transmitted results in the storage of the control device. 17. The installation and inspection method of claim 16, further comprising operating the control device such that the control device performs at least one of an insulation test and a ground test on a first circuit and simultaneously operating at least one of the two or more hand-held test devices to perform a residual current detection test of a second circuit that is different from the first circuit. 18. The installation and inspection method of claim 16, wherein the two or more hand-held test devices are dedicated to performing a residual current detection test. 19. The system of claim 1, further comprising at least a third hand-held test device that performs residual current detection testing using measurement circuitry located in the third hand-held test device when the third hand-held test device is coupled to a circuit breaker in the circuit breaker panel that is different from the circuit breaker to which the first hand-held test device is coupled, wherein the first hand-held test device and the third hand-held test device are configured to perform the residual current detection testing during a same testing interval of time and wirelessly transmit test information based on the residual current detection testing to the control device. 20. The system of claim 5, further comprising at least a third test device adapted to perform a residual current detection test on a circuit, said third test device having a measuring circuit for measuring one or more circuit parameters, one or more probes for connecting to a circuit under test, an interface including one or more switches for selecting one or more test parameters, a display for showing test parameters or test data, and a wireless transmitter to communicate test information based on the residual current detection test to the control device, wherein the first test device and the third test device are adapted to perform the residual current detection test on different circuits during a same testing interval of time and wirelessly transmit the respective test information to the control device.