Cable hanger and retention arrangements therefor

A cable hanger for supporting a plurality of electrical cables along a messenger wire in a solar power installation, the cable hanger comprising:

• a number of cable support structures sized and configured to be disposed below the messenger wire when the cable hanger is positioned on the messenger wire;
• and
• a retention arrangement coupled to the number of cable support structures and structured to couple the cable hanger to the messenger wire, the retention arrangement comprising:
• a hook portion extending from the number of cable support structures and structured to loop back over the messenger wire in a reference plane perpendicular to the messenger wire and extend outward from a central vertical axis of the hanger to a bend;
• and
• a locking portion extending from the bend at a first angle relative to the reference plane and a second angle relative to a plane disposed perpendicular to the central vertical axis, wherein the locking portion is structured to extend under and protrude beyond the messenger wire when the cable hanger is installed on the messenger wire.