A BELDEN
BRAND
Diamond® Hardware Products
St
Drop Hardware
Construction Hardware
Bonding & Grounding Hardware
Fastening Hardware
Installation Supplies
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61
A BELDEN
BRAND
A BELDEN BRAND
®
Diamond Hardware Products
Table of Contents
Diamond Hardware Overview
The Diamond Difference
®
™
Pages 2-5
Bonding & Grounding Hardware
Bonding Clamps
2-3
Pages 29-37
29-30
Broadband Drop System
4
Ground Blocks
31
CATV Bonding and Grounding Methods
5
Grounding Clamps
32
Grounding Straps
33
Mechanical - Split Bolt Connectors
34
Drop Hardware
Pages 6-21
Mechanical - Jumper Clamps
34
Drop Wire Clamps
6-7
Mechanical - Ground Rod Clamps
35
Span Clamps
8-9
Mechanical - Grounding Conns & Clamps
36
Clamps - Conduit and Pipe
10-11
Brackets
12
Hooks
13
Rings, Screw Fixtures
Cable Clips
Fastening Hardware
Pages 38-57
Cable Support System
38-40
14
Standard Cable Ties
41-43
15-17
Specialty Cable Ties
44-45
Cable Clamps
18
Stainless Steel Cable Ties
46-48
Cable Ties and Bushings
19
Identification Cable Ties
48
Drive Rings, Wire Loops
20
Beaded CableTies, Push Mount CableTies
49
Drive Pins, Drive Tools
21
Air Handling Cable Ties
50
Cold Weather Cable Ties
51
Cable Tie Mounting Pads
51-52
Cable Tie Screw Mounts
53
Construction Hardware
Lashed Cable Supports
Pages 22-28
22-23
Cable Tie Mounts
Clamps
24
Cable Ties Identification Plates
Hangers, Brackets, Hooks
25
Cable Tie Specialty Packs
Tap Brackets
Aerial Cable Damper
55
56-57
26-27
28
Installation Supplies
Pages 58-59
Wall Plates
58
Hardware and Rough-In Products
59
Index
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54-55
Pages 60-62
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1
A BELDEN BRAND
A BELDEN BRAND
®
The Diamond Difference™
Does Your Hardware Pass the Test of Time?
Diamond® Products Stand the Test of Time.
The unique, proprietary approach that we have to mechanical galvanizing, and the standards that we insist on for our raw
materials, ensure that Diamond parts can withstand corrosive environments for decades, a factor that is important today
since replacement costs are so high. The photographs below clearly demonstrate the Diamond Difference. Even after 672
hours under the same conditions, Diamond mechanically galvanized parts keep their integrity.
Diamond® Advantage
What is Mechanical Galvanizing?
We mechanically galvanize to ensure that Diamond products will
stand the test of time.
It is a plating process whereby zinc is mechanically deposited on
properly prepared steel parts. A uniform coating thickness of zinc is
applied by placing the parts in a rotating barrel with the correct
recipe of water, glass beads and various chemicals. The impact
of the glass beads on the steel parts deposits a layer of zinc onto
the metal surfaces. Subsequent layers build up until the required
thickness is achieved. The zinc deposited onto the metal surface may
be considered a sacrificial coating. Over time this coating slowly
reacts with the environment (moisture and air) and becomes mottled
producing 'white rust'. The appearance of white rust means that the
coating is being sacrificed to protect the underlying steel part.
•• Mechanically galvanized parts have a superior resistance to
corrosion.
•• It is the most effective method for small parts.
•• The process does not clog the threads of nuts and bolts, thus
parts can be put together quickly and easily.
•• Threaded parts do not 'gall' producing more accurate torque-
tension relationships.
•• Eliminates the problem of Hydrogen Embrittlement. Heat-
treated parts do not detemper or weaken since the galvanizing
process takes place at room temperature.
1
2
3
4
The Diamond® Difference™
We do not depend on the process of mechanical galvanizing alone
to provide us with products that will stand the test of time.
•• Raw materials are carefully selected and must meet or exceed
the standards we have established over the years.
•• How these materials are combined and prepared is unique to
the Belden Diamond method of manufacture.
•• Our emphasis is on quality control and process management.
•• Every stage of the manufacturing and galvanizing process is
controlled and monitored.
•• To achieve the Diamond Difference no corners can be cut and
no process steps excluded.
5
The Mechanical
Galvanizing Process
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Salt Spray Test Results
5% salt solution (as used in ASTM B117) is sprayed upon parts
in a closed chamber until the first indication of red rust appears.
Diamond
Competitor
48 Hours
First indication of Red Rust
on competitor product.
How Service Life in Hours* Equates to Service Life
in Years in Different Environments
Environment
48
Hours
336
Hours
672
Hours
850
Hours
Rural
4.2 Years
30 Years 60 Years 75 Years
Suburban
2.2 Years
16 Years 32 Years 40 Years
Moderate
Industrial
Heavy
Industrial
1.5 Years
11 Years 22 Years 28 Years
11 Months 6.5 Years 13 Years 17 Years
*Under Test Conditions
Information Source: Iron Age Magazine (Zinc Institute) Oct. 1980 Issue.
336 Hours
Bell Spec Standard.
672 Hours
First Indication of Red Rust
on Diamond Product.
Parts tested to ASTM B117 under laboratory
conditions within Belden certified testing facility.
Meeting Your Specifications
We ensure consistent performance and quality by adhering to the following industry standards and specifications used within the
Telecommunications Industry.
Bell Core
The Bell Operating Companies (RBOC's) borne of the AT&T divestiture were the first organizations to recognize the
need for and to establish quality standards and specifications for pole line hardware in the USA. Bell Communications
Research Inc. or 'Bellcore' specifications are acknowledged standards for pole line, drop and bonding/grounding
hardware.
SCTE
Society of Cable Telecommunications Engineers (SCTE) is the professional association for the Cable Television industry.
SCTE provides training, certification and standards to the industry and is accredited by ANSI as the industry's body of
record.
ANSI
American National Standards Institute (ANSI) administers and coordinates U.S. standardization efforts through
facilitation of consensus standards and conforming assessment systems. ANSI is the official United States
representative to ISO and other international accreditation and standardization bodies.
ISO
The International Organization for Standardization (ISO) reviews, inspects and approves manufacturer facilities and
methods then awards quality certification. Facilities must continue to meet the certification requirements to maintain
their ISO quality status. Belden's plants are registered to ISO 9001-2000.
ASTM
The American Standards for Testing and Materials (ASTM) organization in conjunction with manufacturers and industry
associations has established internationally recognized quality standards. The organization specifies materials,
procedures and methods to assure conformance to its standards.
UL
Underwriter's Laboratories is an international safety standards organization, which has established testing criteria for
electrical products to assure their safety for the end user.
CSA
The Canadian Standards Association (CSA) has established standards and test criteria to assure satisfactory
performance and function of products destined for use in Canada.
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®
Diamond Hardware
Broadband Drop System Overview
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®
Diamond Hardware
Recommended CATV Bonding and Grounding Methods
Bonding and Grounding Methods in Order as Recommended
by NEC and SCTE:
1. Power ground system:
a. Power ground service wire
b. Power service ground rod
c. External connector on power service meter box
d. Power service entrance conduit (not conduit outlets)
2. Building steel that is bonded to power ground.
3. Metallic water pipe that is bonded to power ground.
(water pipes are to be avoided due to the increase in plastic pipes)
4. Additional ground rod (see notes).
Notes:
• All Belden grounding devices shown are
U.L. listed.
• Always abide by local grounding codes
and follow company sanctioned grounding
procedures and priorities.
• Cold water pipe ground is not
recommended unless continuity can be
guaranteed. Also, must be within 5 ft. of
where water enters the home.
• If ground wire is 20 ft. or more from the
power ground, an additional ground rod
must be installed and connected to the
power ground by a #6 ground wire.
(Option 4)
• Minimum of #14 AWG solid copper wire
required for bonding CATV systems.
[NEC 820.40]
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A BELDEN BRAND
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®
Diamond Drop Hardware
Drop Wire Clamps for CATV and Telephone Cable
Universal Messenger Cable Drop Wire Clamp
•• Permits cable to “float” free, fully protected from strain and chafing.
•• Drop clamp for the suspension of a messengered drop cable between the
pole, midspan and house.
•• For use with RG59, RG6 and other cables
•• Stainless steel bail wire and aluminum body.
Installation:
1. Begin separation of the messenger wire from the
cable using the end-edge of the SC02MFA-SS Drop
Clamp.
Note: Never use a knife or other sharp tool to
separate messenger and cable.
2. Fit the cable and messenger wire into the SCO2MFASS Drop Clamp as shown, so that the Clamp Bail is
between the two.
3. Grasp the separated end of the messenger and cable
with one hand and grip the Clamp Body, as shown,
with your other hand. Then, pull the SC02MFA-SS
back, in a straight line, separating the length of
messenger wire needed to make the wrap; about 15
to 18-inches.
4. Pull the messenger wire around the center of the
bearing surface as shown, toward the rear or dropside of the Clamp.
Note: If at the house end of the drop, this will be
done while tensioning or “sagging” the drop.
5. Pass the messenger wire through the “L” Slots and
begin the wrap about the SC02MFA-SS body, as
shown.
Part Number
Description
SC02MFA-SS
Universal Messenger Drop Wire Clamp
Inner
Pack
Outer
Pack
--
125
1
2
3
4
5
6. Continue the messenger wire wrap for two full turns.
7. Pass the messenger wire through the “L” Slot, as
shown, to the drop-side of the SC02MFA-SS and cut
the excess wire away, or ground it to the strand.
Note: For drop cable with larger messenger wire, one
wrap is sufficient. Wrap the end of the wire around
the end of the SC02MFA-SS and bring it back up the
“L” Slots, then cut away the excess, or ground it to
the strand.
6
7
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Drop
Hardware
®
Diamond Drop Hardware
Drop Wire Clamps for CATV and Telephone Cable
"B" Drop Wire Clamp
•• Used to support both ends of telephone drop, at strand and building.
•• Suitable for 1-2 pair .200” max. height and .410’ max. width.
•• 6 pair version: .300” max. height and .500" max. width.
•• Stainless steel bailwire on all versions.
•• Special Packages available. Please check with your PPC/Belden Representative.
Part Number Description
Material
Pair
Shim
Type
Inner
Pack
Outer
Pack
23-44441
"B" Drop Wire Clamp Aluminum
1-2
Serrated
--
500
23-44444
"B" Drop Wire Clamp
Aluminum
(Bell Packaging)
1-2
Serrated
25
500
23-44445
"B" Drop Wire Clamp Aluminum
1-2
Serrated
2
250
23-82350
"B" Drop Wire Clamp Aluminum
6
Dimpled
1
75
23-82351
"B" Drop Wire Clamp Aluminum
6
Dimpled
25
150
23-88881
"B" Drop Wire Clamp
(Bulk Packaging)
1-2
Serrated
25
500
23-88885
"B" Drop Wire Clamp
1-2
Serrated
2
250
Stainless
Steel
Stainless
Steel
Installation:
1. Lay cable in shell.
2. Place shim on top of cable with raised
embossings against cable.
3. Insert wedge in shell (on top of shim) and pull
to engage. (Small end of wedge should be
initially engaged in track of large end of shell).
4. Place bailwire on “B” drop wire hook (ram’s
horn)with wedge loose. Pull drop wire through
clamp until proper sidewalk/alley clearance is
achieved.
5. Grasp clamp (bailwire still on ram’s horn) and
pull tightly to secure.
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A BELDEN BRAND
A BELDEN BRAND
®
Diamond Drop Hardware
Span Clamps
"Q" Span Clamp
•• Provides drop wire take offs at mid-span.
•• Steel components mechanically galvanized ASTM B695.
Part Number Description
27-00185
"Q" Span Clamp
Material
Clamp
Range
Steel
1/4"-7/16"
1/4"
--
100
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