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	Aerial Installation - Blocks & Guides

Corner Blocks: Jameson corner blocks come in 60 and 90 degree styles, designed to evenly distribute pressure on cable when pulling around corners. The 60 degree model offers more versatility than a standard 45 degree block with the majority of system designs.

The steel side plates can be replaced in the field, offering considerable savings and increased options.

All Jameson corner blocks are interchangeable with competitive set up brackets.

* Also available with Nylatron® Rollers.

Clip-On Cable Block: This tempered spring steel block is used to support cable up to 1" (2.54 cm) during cable pull-out.

•	The block fits over existing cable bundles up to 2" (5 cm)
•	The "clip-on" design makes for fast work when time is money
•	The unique housing profile keeps the lashing machine (71422 & 86070) from "riding" over the unit
•	The pliable urethane roller is forgiving of field abuse
•	and will never mar or scar cable
•	Holes provided to allow the blocks to be tethered

75000 Cable Block: A block used on 1/4" new strand when lashing cable up to 2-3/4".

•	Bi-directional cam keeps block stationary during cable pull-out
•	Frame & sheave are made from cast aluminum-magnesium alloy
•	Eye hook on cam handle allows placement using Wire Raising Tool (06355) with wooden (66000-66002) or fiberglass (24193-24194) lay-up sticks

73305 Cable Block: This block is used to support one cable up to 1" (25.40 mm) on new 1/4" (6.35 mm) strand. The high strength aluminum frame has a spring-loaded steel pin that keeps it locked on the strand & the cable on the nylon roller.

4 Roller Cable Block: This block can support multiple cables during new strand construction.

•	Can accommodate three 1" (25 mm) cables on nylon rollers & a pulling line or cable up to 1-1/4" (32 mm) on an aluminum roller
•	Bi-directional cam keeps block stationary during cable pull-out
•	Locking gates keep cable(s) on the rollers

10701 Cable Block with Rubber Roller: This economical block has a rubber roller & is used for new strand & overlash work.

•	Can accommodate up to a 2" (5 cm) cable
•	The strand wedges in the "V" notch of the sturdy cast aluminum frame
•	The spring-loaded strand retaining pin will clear two previously lashed 3/4" (19.05 mm) cables for overlashing
•	A rotating gate keeps line or cable on the roller

10700 Cable Block with Aluminum Roller: This economical block has an aluminum roller & is used for new strand & overlash work.

•	Can accommodate up to a 2" (5.08 cm) cable
•	The strand wedges in the "V" notch of the sturdy cast aluminum frame
•	The spring-loaded strand retaining pin will clear two previously lashed 3/4" (19.05 mm) cables for overlashing
•	A rotating gate keeps line or cable on the roller

Overlash: This versatile block locks on ¼” or 5/16 ” strand or fits over a 2 ¾” package of previously lashed cables. The frame will not snag loose lashing wire. The block can be raised and locked to the messenger with a Wire Raising Tool. Weighs 2.5 lbs. Manufactured by LEMCO.

Part Number LEM M-593 - Aluminum Roller
Part Number LEM M-593R - Rubber Roller

Econo: The ‘V-notch’ of this sturdy block wedges on the strand for new build construction or two .750” cables fit between the frame and retaining pin for overlash work. The steel gate retains the cable being pulled out. The rubber roller of the M-1070-1R supports a cable up to 1-1/2”. The aluminum roller of the M-1070-1 supports up to a 2" diameter cable. Weighs 2 lbs. Manufactured by LEMCO.

Part Number LEM M-1070-1 - Aluminum roller
Part Number LEM M-1070-1R- Rubber roller

Econo Overlash: This alternative cable block may be placed over existing cable bundles up to 1.5" (38 mm) in diameter. Single rollers are available in plastic or steel and can accommodate cable or innerduct up to 1.00" (25 mm) diameter. Lightweight zinc-plated steel frame opens and closes for easy installation and ensures cable retention. Manufactured by Condux.

Part Number CX18151500
Replacement rollers available
Part Number CX18501010

B Overlash: Allows overlash of cable bundles up to 2” across and its affordability enables you to use more blocks for smoother, neater lashing on new or rebuild construction.

Ideally suited for messenger strands from ¼” to 3/8”. A keeper retains the block on the messenger and the fiber cable is positively retained in the block. The gritty non-stick surface minimizes sliding during the pulling of the cable. The frame is of zinc-plated steel for optimum strength-to-weight ratio and is equipped with an anti-friction roller and a lever actuated keeper bar which encloses the cable in the block. Manufactured by GMP.

Part Number 70336

Economy: Economical cable blocks for support of one or two cables or innerduct up to 1.25" (32 mm) outside diameter. Use on strand up to 5/16" (8 mm) diameter. Integrated cable retaining system with spring-loaded arm. Frames are durable cast aluminum or molded plastic with steel inserts on strand contact surfaces. Rollers are plastic or steel. Manufactured by Condux

Part Number
CX18401010 : 1 @ 1.25” Roller/Cable Config
CX18402010 : 2 @ 1.25” Roller/Cable Config

H Block: This block is used to pull cable toward or away form corner pole and any other location where a single block is required. Designed to handle the higher stress encountered when pulling a 1 ½” to 3” cable around corners at a pole. Positive clamping mechanism securely latches onto the strand, allowing the sheave to tilt with the load without prematurely releasing. Sheave is enclosed in a forged, hinged steel frame. 5000 lbs. Load capacity, weight: 11 lbs. Manufactured by GMP.

Part Number GMP 08608

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