Tag:line_attachment=pulley

line_attachment = pulley
Description
A line supported by a wheel designed to allow longitudinal moves and hold it at a proper distance of a fixed support.
Group: infrastructure
Used on these elements
Useful combination
power=pole power=tower power=insulator
Status: approved
line_attachment=pulley $1% $1% $1% $1% More details at taginfo More details at taginfo
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Usage

A pulley support is different from a suspension or anchor attachment. With an appropriate mechanical tension, the line/cable is hold by a vertical accessory and maintained at a proper distance of the support without any clamp to fit them. The cable can move and the support is designed to follow it with a moving part (mandatory). The usual groove wheel for such pulleys can be replaced by an appropriate insulator in case of bare power conductors. A pulley on which the line is terminating is an actual anchor and shouldn't be confused with this value.

Examples

Misc

Photo	Location	Tagging	Note3
	France	support=pole line_attachment=pulley material=concrete	Cables are designed to move along supporting pulleys (you can see the lubricant around them) to remotely actuate railway switches near of a station.
Lack of free illustration See [1]	--	Unknown tagging for such a support, power=pole sounds overkill for electric fences. line_attachment=pulley material=wood	Wood post insulators supports live wires of electric fences. This support is designed to allow movement of the live wire. This is an actual pulley and not a suspension one.
	Germany	line_attachment=pulley material=metal	Chains are hold by pulleys to redirect orthogonal effort