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Truck Accessor ies – 4150
Phone: 573-682-5521 Email: hpsliterature@hubbell.com Web: hubbellpowersystems.com
Page 4155
September 2012
Features & Applications
• Consists of a boom mast and arm of Epoxiglas
®
construction
• For mounting on insulated boom
• For use on light construction when handling multiple
conductors
• Two-legged mast can be mounted on square or
rectangular shaped booms designed to handle 2,000
lbs. or more
H486310
with Braces
(fits Booms
5" x 7" to
10" x 10")
OPTIONAL ADAPTERS for Round Booms
(as on Altec
®
trucks), see
Catalog Page 4160
M48057
fits all other
wireholders
E4000008
C4001669
for 3" dia. Jib
M480516
M480517
AUXILIARY ARM ATTACHMENTS
• Fork type wireholders — With 1" or 1-1/2" opening,
counter balanced latch, which closes automatically
behind the conductor to hold it in the wireholder.
Complete with 2-1/2" pole clamp
• C-Type Wireholder — For rubber glove work, the
Chance “C”-type Wireholder is suspended for a 2-1/2"
dia. temporary crossarm above the conductor as a
hook to receive the conductor after it is untied
• Roller Wireholder — Seven Delrin plastic rollers offer
protection to conductors while raising the conductor
above the work area. Accommodates conductors
up to and including 1-1/2 inches in dia. The gate is
held closed by a spring-loaded latch which must be
manually opened
• Insulators— Epoxy based, available as separate items
or can be added to existing auxiliary arm wireholders
to upgrade for 34.5 kV use
Boom Auxiliary Arm
H486310
H48633 
H48634 
H4863  
C4000351
120 lb/54.0 kg.
 12
1
/
2
lb./ 5.6 kg.
 8
3
/
4
lb./ 3.9 kg.
 64 lb./28.8 kg.
 13 lb./10.35 kg.
 10' Assembly with braces
 Bipod-Arm clamp only
 Arm Brace Assembly only
 4' Bipod Mast only
 with boom clamps
 2
1
/
2
" x 10' Horizontal Arm
Catalog
No.
 E4000008P
 M480515
 M480517
 M480516
 C4000690
 C4000268
 M48057
Weight
2
1
/
2
lb./1.1 kg.
5
1
/
2
lb./2.5 kg.
2  lb./ .9 kg.
2
1
/
2
lb/1.1 kg.
4
1
/
2
lb/2.0 kg.
4
1
/
2
lb/2.0 kg.
1
1
/
4
lb./0.55 kg.
Description
 1
1
/
2
" Fork Wireholder, no Insulator
 1" Fork Wireholder, with Insulator
 1" Fork Wireholder, no Insulator
 C-Type Wireholder, no Insulator
Roller Wireholder, no Insulator
 Roller Wireholder, no Insulator
 Epoxy Insulator,
7
/
16
" threads
For 2
1
/
2
" Arm
C4000690
with 2
1
/
2
"
opening
C4000268
with 2" opening
• If boom units of lesser ratings are employed, the lifting
and maneuvering application of this unit must be
reduced accordingly
• Mechanical rating for a balanced vertical load is 1,000
pounds maximum or a limit of the boom arm in the
position used, whichever is the least
• 10' arm, recommended for brace use only, is rated at
200 lbs. per conductor holder
• Chance C4000268 roller wireholders are used on the
Boom Auxiliary Arm and Mast
• Each wireholer is rated for 100 lb. max. side load