A power control device is contained within a housing and has an electric current sensor configured to measure current passing through an electric outlet during a time period, a proximity sensor configured to detect a distance of an object relative to the electric outlet during the time period, a relay switch that can open or close to stop or conduct current through a circuit in the electric outlet in response to a command, and a wireless network interface in communication with the electric current sensor and the proximity sensor, the wireless network interface configured to transmit and receive data from the current sensor and the proximity sensor, to transmit commands to the relay switch, transmit the data to a computing device, and receive commands from the computing device.

A load control system may control an electrical load in a space of a building occupied by an occupant. The load control system may include a controller configured to determine the location of the occupant, and a load control device configured to automatically control the electrical load in response to the location of the occupant. The load control system may also include a mobile device adapted to be located on or immediately adjacent the occupant and configured to transmit and receive wireless signals. The load control device may be configured to automatically control the electrical load when the mobile device is located in the space. The load control system may further comprise an occupancy sensor and the load control device may automatically control the electrical load when the occupancy sensor indicates that the space is occupied and the mobile device is located in the space.

A load control system for controlling the amount of power delivered from an AC power source to a plurality of electrical load includes a plurality of independent units responsive to a broadcast controller. Each independent unit includes at least one commander and at least one energy controller for controlling at least one of the electrical loads in response to a control signal received from the commander. The independent units are configured and operate independent of each other. The broadcast controller transmits wireless signals to the energy controllers of the independent units. The energy controllers do not respond to control signals received from the commanders of other independent units, but the energy controllers of both independent units respond to the wireless signals transmitted by broadcast controller. The energy controller may operate in different operating modes in response to the wireless signals transmitted by the broadcast controller.

Some embodiments of the invention include a method and system for metering an electrical grid comprising at least one processor executing instructions from a non-transitory computer-readable storage medium of an electrical grid fault detection system. In some embodiments of the system, the instructions cause a processor to calculate a prediction of whether power delivery to at least a portion of the electrical grid is functioning abnormally using voltage sensing devices coupled to at least one feeder, where one or more of the voltage sensing devices are responsive to a determination that the power delivery is functioning abnormally. Further in some embodiments, the determination includes the electrical grid fault detection system receiving at least one signal or voltage reading from the electrical grid based at least in part on a sensed or received voltage level or range of voltage level.

A line connector for transmitting electrical signals includes a housing, a first electric connection configured to transmit a first electrical signal, a second electrical connection configured to transmit a second electrical signal, and a diagnostic device. The diagnostic device is configured to monitor the first electrical signal and detect a first status of the first electric connection, and to monitor the second electrical signal and detect a second status of the second electrical connection. The housing has a housing wall with a first optical indicator and a second optical indicator. The first optical indicator is configured to generate a first optical signal representing the first status, and the second optical indicator is configured to generate a second optical signal representing the second status.

A custom outlet module is contained within a housing and has an electric current sensor configured to measure current passing through an electric outlet during a time period, a proximity sensor configured to detect a distance of an object relative to the electric outlet during the time period, a relay switch that can open or close to stop or conduct current through a circuit in the electric outlet in response to a command, and a wireless network interface in communication with the electric current sensor and the proximity sensor, the wireless network interface configured to transmit and receive data from the current sensor and the proximity sensor, to transmit commands to the relay switch, transmit the data to a computing device, and receive commands from the computing device.

A plug-in power adapter is described. The plug-in power adapter may comprise a plug having a plurality of prongs, wherein a first prong of the plurality of prongs is adapted to receive power; a transformer coupled to receive the power from the first prong of the plurality of prongs, wherein the transformer generates a power signal on a power signal line coupled to the transformer; a plurality of contact elements accessible on the plug-in power adapter by a user of the plug-in power adapter; and a wireless communication circuit adapted to receive signals using a wireless communication protocol; wherein a contact element of the plurality of contact elements is adapted to receive a control signal.

This disclosure describes techniques for identifying and mitigating a voltage loss in a power transmission to a Remote Radio Unit (RRU) associated with Radio Frequency (RF) antennas of a telecommunications network. More particularly, a Supplemental Voltage (SV) controller is described that is configured to monitor and detect a change in voltage that occurs during a power transmission from a primary Direct Current (DC) power source to the RRU and selectively cause a supplemental DC power source to transmit a supplemental voltage to the RF antennas. The SV controller may cause a supplemental DC power source to transmit a supplemental voltage to the RRU based on an empirical data analysis, sensory data analysis, or current environmental metadata. Further, the SV controller may determine whether the primary DC power source has suddenly ceased transmitting power to the RRU, and in doing so, cease transmission of a supplemental voltage to the RRU.

A system of electrical distribution within a building, which selectively energizes power sockets only when an appliance is connected to the socket and in need of power.

A power adapter configured to apply power to a device is disclosed. The power adapter comprises a contact element configured to receive power; a first outlet configured to receive the power and adapted to provide the power to the device; a recess for receiving a module that is removably coupled to the power adapter, wherein the module is adapted to generate control signals; and a control circuit coupled to the recess; wherein the control circuit controls the application of the power to the first outlet in response to the control signals.