Abstract: A device for a warning or barrier gate and methods that use the device can include a first arm section that includes a tenon and an arrangement of apertures through the tenon, and a second arm section that includes a mortise and an arrangement of apertures through the mortise. The apertures can align, and fasten together, to form at least part of an arm assembly for the warning or barrier gate. Manufacture of the device can occur in the field during installation of the warning or barrier gate. The device can be reciprocated 180 degrees from a closed position perpendicular to a roadway to an open position that rests parallel to the roadway.

Abstract: A device for pivoting a navigation light and methods that use the device can include a mount assembly with an attachment for attaching the device to a structure. A pivot assembly can be supported by the mount assembly, with the pivot assembly mechanically coupled to a drive element such that a drive of the drive element pivots a navigation light to one or more operating, service, or hold positions.

Abstract: A device for pivoting a navigation light and methods that use the device can include a mount assembly with an attachment for attaching the device to a structure. A pivot assembly can be supported by the mount assembly, with the pivot assembly configured to pivot the navigation light to one or more operating, service, or hold positions. A brake pin with an end sized and shaped to fit within an indentation of a disc of the pivot assembly can secure the pivot assembly against rotation when the second end is accommodated by the indentation.

Abstract: A device for pivoting a navigation light and methods that use the device can include a mount assembly with an attachment for attaching the device to a structure. A pivot assembly can be supported by the mount assembly, with the pivot assembly mechanically coupled to a drive element such that a drive of the drive element pivots a navigation light to one or more operating, service, or hold positions.

Abstract: A device for a warning or barrier gate and methods that use the device can include a first arm section that includes a tenon and an arrangement of apertures through the tenon, and a second arm section that includes a mortise and an arrangement of apertures through the mortise. The apertures can align, and fasten together, to form at least part of an arm assembly for the warning or barrier gate. Manufacture of the device can occur in the field during installation of the warning or barrier gate. The device can be reciprocated 180 degrees from a closed position perpendicular to a roadway to an open position that rests parallel to the roadway.

Abstract: A device for pivoting a navigation light and methods that use the device can include a mount assembly with an attachment for attaching the device to a structure. A pivot assembly can be supported by the mount assembly, with the pivot assembly configured to pivot the navigation light to one or more operating, service, or hold positions. A brake pin with an end sized and shaped to fit within an indentation of a disc of the pivot assembly can secure the pivot assembly against rotation when the second end is accommodated by the indentation.