See Also...516 ISOM Index Man-made features index previous next
517 Major power line
Major power lines should be drawn with a double line. The gap between the lines may indicate the extent of the powerline.
Line width 0.14mm
tag length 0.3mm, spacing at pylons
Major power lines should be drawn with a double line.
Line width was 0.125mm, gap between lines unspecified
ISOM number changed from 518 to 517.
Defined as line symbol 517.0, use the line tool, clicking at each pylon.
Often running in a ride / clearing that may be overgrown
To get a true straight line between the pylons; define the corner pylons first and then add middle ones by adding corner points on the defined line.
Power line pole: a support for electric or telephone wires.
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