Abstract: A closed-circuit television (CCTV) online pipeline detection system includes a detection robot and a control terminal of the detection robot, where the detection robot is provided with a CCTV pipeline detection system adapted to the detection robot; the CCTV pipeline detection system includes a GTR8600 monitoring module, a drive device, and a power drive device; the control terminal is separately electrically connected with the GTR8600 monitoring module, the drive device, and the power drive device through a control system; and the control system is provided inside the control terminal.

Abstract: A transfer switch transfers electric power provided to an electrical load from a first power source to a second power source. The transfer switch includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.

Abstract: A transfer switch transfers electric power provided to an electrical load from a first power source to a second power source. The transfer switch includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.

Abstract: A transfer switch (104) transfers electric power provided to an electrical load (106) from a first power source to a second power source. The transfer switch (104) includes a coil arrangement that controls movement of a member to open or close a contactor of the first or second power source. The coil arrangement may be used with two voltage levels.