Note
Set all spring hangers in accordance with setting table. Settings are calculated for mean temperature of 50°F (10°C). Differences in settings are small; all hangers within any one system can be used with same setting.
Hanger Installation
Begin assembly of transmission line hangers with rigid hanger(s), followed by spring hangers. Bolt spring hangers directly to tower at 10 ft (3 m) intervals. Caution: If no holes are available, use Type 13550/1355A Adaptors or contact tower manufacturer for applicable safety regulations regarding the drilling of any holes in tower sections.



Spring Settings
Temperature in Degrees at Installation
Line
Length
-25°F (-32 °C) 0°F (-18 °C) 25°F (-4 °C) 50°F (10 °C) 75°F (24 °C) 100°F (38 °C) 128°F (52 °C)
Active Length Setting of L
200 ft (61 m) 26-3/8 in (670 mm) 26-1/2 in (673 mm) 26-5/8 in (676 mm) 26-3/4 in (679 mm) 26-7/8 in (683 mm) 27 in (686 mm) 27-1/8 in (689 mm)
400 ft (122 m) 26-1/8 in (664 mm) 26-3/8 in (670 mm) 26-1/2 in (673 mm) 26-3/4 in (679 mm) 26-7/8 in (683 mm) 27-1/8 in (689 mm) 27-1/4 in (692 mm)
600 ft (183 m) 26 in (660 mm) 26-1/4 in (667 mm) 26-1/2 in (673 mm) 26-3/4 in (679 mm) 26 in (686 mm) 27-1/4 in (692 mm) 27-1/2 in (699 mm)
800 ft (224 m) 25-3/4 in (654 mm) 26-1/8 in (664 mm) 26-3/8 in (670 mm) 26-3/4 in (679 mm) 27 in (686 mm) 27-3/8 in (695 mm) 27-5/8 in (702 mm)
1000 ft (305 m) 26-5/8 in (651 mm) 26 in (660 mm) 26-3/8 in (670 mm) 26-3/4 in (679 mm) 26-1/8 in (689 mm) 27-1/2 in (699 mm) 27-7/8 in (708 mm)
1200 ft (366 m) 25-3/8 in (645 mm) 25-7/8 in (657 mm) 26-1/4 in (667 mm) 26-3/4 in (679 mm) 27-1/8 in (689 mm) 27-5/8 in (702 mm) 28 in (711 mm)
1400 ft (427 m) 25-1/4 in (641 mm) 25-3/4 in (654 mm) 26-1/4 in (667 mm) 26-3/4 in (679 mm) 27-1/4 in (692 mm) 27-3/4 in (705 mm) 28-1/4 in (718 mm)
1600 ft (488 m) 25 in (635 mm) 25-5/8 in (651 mm) 26-1/8 in (664 mm) 26-3/4 in (679 mm) 27-1/4 in (692 mm) 27-7/8 in (708 mm) 28-3/8 in (721 mm)
1800 ft (61 m) 24-7/8 in (632 mm) 25-1/2 in (648 mm) 26-1/8 in (664 mm) 26-3/4 in (679 mm) 27-3/8 in (695 mm) 28 in (711 mm) 28-5/8 in (727 mm)
2000 ft (610 m) 24-1/2 in (622 mm) 25-1/4 in (641 mm) 26 in (660 mm) 26-3/4 in (679 mm) 26-1/2 in (699 mm) 28-1/4 in (718 mm) 29 in (737 mm)



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