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Transmi ss ion Tool s – 2250
Phone: 573-682-5521 Email: hpsliterature@hubbell.com Web: hubbellpowersystems.com
Page 2253
September 2012
2" Adjustable Pole Clamp
12"-Acme-thread Strain Jack
24"-Acme-thread Strain Jack
36"-Acme-thread Strain Jack
Steel Through Pin
Klik Pin
2 lb. / 0.9 kg.
3 lb. / 1.4 kg.
4 lb. / 1.8 kg.
6 lb. / 2.7 kg.
3
/
8
lb. / 0.17 kg.
1
/
16
lb. / 0.03 kg.
Description
6-ft. Strain Pole
7-ft. Strain Pole
8-ft. Strain Pole
10-ft. Strain Pole
12-ft. Strain Pole
14-ft. Strain Pole
18-ft. Strain Pole
Insulated Section
  36 in. (91.44 cm)
  48 in. (121.92 cm)
  63 in. (160.02 cm)
  84 in. (213.36 cm)
102 in. (259.8 cm)
135 in. (342.9 cm)
180 in. (457.2 cm)
 Catalog No.
 C4012144
 C4012145
 C4012146
 C4012147
 C4012215
 C4012148
 C4012149
Weight
18 lb. / 8.1 kg.
18
3
/
4
lb. / 8.4 kg.
19
1
/
2
lb. / 8.8 kg.
20
7
/
8
lb. / 9.4 kg.
22
1
/
4
lb. / 10 kg.
23
3
/
4
lb. / 10.7 kg.
26
1
/
2
lb. / 11.9 kg.
Overall Length
7 ft.-8 in.
8 ft.-8 in.
9 ft.-11 in.
11 ft.-8 in.
13 ft.-2 in.
15 ft.-11 in.
19 ft.-8 in.
Maximum Voltage Use
72.5 kV
169 kV
242 kV
302 kV
362 kV
552 kV
765 kV
• 7,500-lb. maximum load rating (2"-diameter Epoxiglas pole)
• ­2-ft. adjustment by Pole Clamp (furnished) in 6" increments on five stainless-steel pins
• 12"-long Strain Jack E4011998 furnished as standard
• Optional 24" & 36" strain jacks and extra pole clamps available below
Adjustable Strain Poles
Ordering Information
Accessories
ADJUSTABLE STRAIN POLES
end also require the adjustable, heat-treated
aluminum pole clamp
• Pole clamp can be unlocked and positioned by
hotsticks
• On cold end, a high-strength steel strain-jack with
bronze tongue provides take-up with a ratchet
wrench (see page 2257) and trunnions (page 2255))
(Wrench and trunnions must be ordered as separate
items)
• Standard strain jack included with each strain pole
provides 12" of adjustment
• Longer strain jacks (for 24" or 36" of take-up) and
extra pole clamps also may be ordered as options
below
Features & Applications
• Tested per OHSA & ASTM F711
• For many transmission and EHV maintenance
applications
• Help support conductors while insulators are removed
and replaced
• Used with yoke plates and hook assemblies at the
conductor
• Also used for structure ends of suspension, V-string or
deadend insulator strings
• 5 stainless-steel crosspins are located at 6" intervals on
the 2"-diameter Epoxiglas® poles to support hot-end
trunnions or hooks
• Engaging deadend and suspension yokes at the hot
12" Strain Jack E4011998 included with each Strain Pole listed below.
 E4010138P
 E4011998P
 V4010157P
 V4010158
 E4011510P
 059738P
Clevis furnished with high-strength steel Through Pin E4011510 and Klik Pin P059738P.
2-in. Pole Clamp E4010138 included with each Strain Pole listed below.
Insulated Section