EQUIPMENT MOUNTS
Section D-1

Crossarm Mounting Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.


CMB Type (NEMA BRACKETS), Cutout & Arrester Mounts

CATALOG NUMBER Description

Dimensions (inches)

A B C Steel Size
Angle Bkt. Back Strap
CMB-1 NEMA Type A 2-3/4 to 4 4-1/8 to 5-1/4 2-1/4 5/16 x 1-1/2  

1/4 x 1-1/4

CMB-2 NEMA Type B 2-1/4 3/8 x 1-3/4
CMB-3 NEMA Modified 4-15/16 3/8 x 1-3/4
CMB-4 NEMA Modified 5-1/2 3/8 x 2

 


CMB-A TYPE, Cutout & Arrester Mounts for larger crossarms

CATALOG NUMBER Description

Dimensions (inches)

A B C Steel Size
Angle Bkt. Back Strap
CMB-1A

With extra
7/16" square
hole at top and
7" carriage bolts

2-3/4 to 4 4-1/8 to 6 2-1/4 5/16 x 1-1/2  

1/4 x 1-1/4

CMB-2A 2-1/4 3/8 x 1-3/4
CMB-3A 4-15/16 3/8 x 1-3/4
CMB-4A 5-1/2 3/8 x 2

 


CMB-L TYPE (angle only)

CATALOG NUMBER

Description

Dimensions (inches)

C

Steel Size

CMB-1-L NEMA Type A 2-1/4 5/16 x 1-1/2
CMB-2-L NEMA Type B 2-1/4 3/8 x 1-3/4
CMB-3-L NEMA Modified 4-15/16 3/8 x 1-3/4
CMB-4-L NEMA Modified 5-1/4 3/8 x 2
CMB-1A-L

With extra
7/16" square
hole at top

2-1/4 5/16 x 1-1/2
CMB-2A-L 2-1/4 3/8 x 1-3/4
CMB-3A-L 4-15/16 3/8 x 1-3/4
CMB-4A-L 5-1/4 3/8 x 2

 


BACK STRAPS & HARDWARE SETS

 

CATALOG NUMBER Description
CMB-BS NEMA back strap, 1/4" x 1-1/4" steel
CMB-ABS A-type back strap, 1/4" x 1-1/4" steel
CMB-HS-6 Hardware set, NEMA strap with 6" carriage bolts
CMB-AHS-7 Hardware set, A-type with 7" carriage bolts

 


EQUIPMENT MOUNTS
Section D-2

Cutout & Arrester Combination Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

APPLICATION: For mounting cutout or arrester/cutout combination units to poles or crossarms. Supplied with two 1/2" x 2" captive carriage bolts for equipment mounting. Available two ways - with backstrap and 3/8" x 6" carriage bolts for crossarm mounting or angle bracket only for pole mounting.

 

CATALOG NUMBER

Description

Dimensions (inches)

Angle Bracket

Back Strap

CMB-4A-2 Angle, back strap & carriage bolts 3/8 x 2 1/4 x 1-1/4
CMB-4A-2L Angle bracket only 3/8 x 2 -

 


Cutout & Arrester Combination Extension Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

APPLICATION: For mounting cutout or arrester/cutout combination units to poles or crossarms. Supplied with two 1/2" x 2" captive carriage bolts for equipment mounting. Available two ways - with backstrap and 3/8" x 6" carriage bolts for crossarm mounting or angle bracket only for pole mounting.

EQUIPMENT MOUNTING HARDWARE: Consists of two 3/8" x 1-1/2" carriage bolts for the CB-5-type & 3/8" x 2" carriage bolts for the CB-8 with hex nuts and split lockwashers.

CATALOG NUMBER

Dimensions (inches)

A B C Steel Size
CB-5-7 10 7-1/2 3-3/8 - 5-5/8 1/4 x 2
CB-5-11 10 11 3-3/8 - 5-5/8 3/8 x 2
CB-8 7 7-1/2 4 - 13/16 3/16 x 3

 


EQUIPMENT MOUNTS
Section D-3

Single Phase Cutout and Arrester Combination T-Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

.
EQUIPMENT MOUNTING HARDWARE: Consists of " x 2" captive carriage bolts with external tooth washers, split lockwashers and hex nuts.

GROUND LUGS: To order brackets with ground lugs (pictured on page A-7) add "GL" to catalog number. Example: CB-2-GL.

POLE MOUNTING HOLES: All brackets are designed for mounting to pole with two 5/8" diameter bolts.


CB TYPE

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C

Angle Bracket

Mounting Strap

CB-1 7-1/2 5 9 2 x 1 x 3/16 channel 3/8 x 2 bar
CB-2 7-1/2 11 9
CB-3 10-1/2 12 12

 


CB-T TYPE

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C

Angle Bracket

Mounting Strap

CB-1T 7-1/2 5 9 2 x 1 x 3/16 channel 3/8 x 2 bar
CB-2T 7-1/2 11 9
CB-3T 10-1/2 12 12

 


CB-L TYPE (angle only)

 
CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C

Angle Bracket

Mounting Strap

CB-1T 7-1/2 5 - 2 x 1 x 3/16 channel -
CB-2T 7-1/2 11 -
CB-3T 10-1/2 12 -

 


LIGHT STEEL TYPE

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C

Angle Bracket

Mounting Strap

CB-4 9 5 9

2 x 9/16 x 3/16 channel

3/8 x1-1/2 bar
CB-9 9-11/16 8 9

 


EQUIPMENT MOUNTS
Section D-4

Two and Three Phase Cutout and Arrester Brackets

EQUIPMENT MOUNTING STRAPS: These brackets are available with or without mounting straps (pictured above). To order with straps add the mounting strap number to the bracket number. Example: CB-348-GL

GROUND LUGS: To order brackets with ground lugs (pictured on page A-5) add "GL" to catalog number. Example: CB-348-GL


Two Phase Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of "x2" captive carriage bolts with external tooth washers, split lockwashers and hex nuts.

POLE MOUNTING HOLES: All brackets are designed for mounting to pole with two 5/8" diameter bolts.

CATALOG NUMBER Dimensions (inches)
A

Material Size

Mounting Hole Diameters

Channel

Angle

Upper

Lower

CB-230 30

4 x 5.4 lbs.

2 x 2 x 1/4

11/16 x 1-1/2 keyhole

11/16 x 1 slot
CB-236 36
CB-242 42

 


Three Phase Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of "x2" captive carriage bolts with external tooth washers, split lockwashers and hex nuts.

POLE MOUNTING HOLES: All brackets are designed for mounting to pole with two 5/8" diameter bolts.

CATALOG NUMBER Dimensions (inches)
A

Material Size

Mounting Hole Diameters

Channel

Angle

Upper

Lower

CB-336 36

4 x 5.4 lbs.

2 x 2 x 1/4

11/16 x 1-1/2 keyhole

11/16 x 1 slot

CB-342 42
CB-348 48

 

 


EQUIPMENT MOUNTS
Section D-5

Terminator Brackets

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of 1/2" x 2" captive carriage bolts with split lockwashers and hex nuts.

GROUND LUGS:
Consists of " captive carriage bolt with hex nut and round washer.

POLE MOUNTING HOLES
: All brackets are designed for mounting to pole with tow 5/8" diameter bolts.


Single Mount Bracket

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C Angle Bracket Mounting Strap
TB-1 9-1/4 7-3/4

-

2 x 9/16 x 3/16 channel

-

 


Pothead Terminator Mounts

CATALOG NUMBER

Mounting Flange Type

Dimensions (inches)

Steel Size (inches)

A B

Channel

Angle

TB-348-PMF Straight 50 20 4 x 5.4 lbs. 2 x 2 x 1/4
TB-348-PMF20 20 angle 49 1/2 19 3/4

 


Flanges and Adaptors

CATALOG NUMBER Type Steel Size (inches)
PMF-1 straight 5/16 x 7-3/4 x 10-3/8
PMF-20 20 angle 5/16 x 7-3/4 x 10-3/8
AMB-20 20 angle 3/8 x 2 x 5-1/2

 


Equipment Mounting Straps

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of two 1/2" x 2" captive carriage bolts with external tooth washers, hex nuts and split lockwashers.

CATALOG NUMBER Dimensions (inches)
A B C
MS-6A 6 3/8 1-1/2
MS-6B 6 3/8 1-3/4
MS-8 8 3/8 1-1/2
MS-9A 9 3/8 1-1/2
MS-9B 9 3/8 2
MS-10 10 3/8 2
MS-12A 12 3/8 1-3/4
MS-12B 12 3/8 2

 


EQUIPMENT MOUNTS
Section D-6

Insulator Brackets

For vertical and horizontal mounting of stud type post and pin insulators. The CA Type vertical insulator and equipment mounting bracket will also permit attachment of cutouts, arrestors and deadends.

MATERIAL: Ductile iron, grade 654512.
FINISH: Hot dip galvanized per ASTM A-153.


POLE MOUNTING HOLES
: All brackets are designed for mounting to pole with two 5/8" diameter bolts.


Pole Top Insulator Brackets

CATALOG NUMBER

Dimensions (inches)

Stud Bolt Diameter

Maximum Voltage (KV)

A B C D
PTIB-375B 5 3 6 3-3/4 5/8 to 3/4 35
PTIB-450 6 2 6 4-1/2 5/8 to 3/4 69

 


CA-1 TYPE, Vertical Insulator & Equipment Brackets

CATALOG NUMBER

Dimensions (inches)

Stud Bolt Diameter

 

for bracket variations see below

A B C D
CA-12-1 12 5 4-1/8 11/16 5/8 to 3/4
CA-12-1A 12 5 4-1/8 13/16 5/8 to 3/4
CA-18-1 18 5 4-1/8 11/16 5/8 to 3/4
CA-18-1A 18 5 4-1/8 13/16 5/8 to 3/4

 


CA-3-TYPE, Vertical Insulator & Equipment Brackets

CATALOG NUMBER

Dimensions (inches)

Stud Bolt Diameter

 

for bracket variations see below

A B C D
CA-12-3* 12 5 4-1/8 11/16 5/8 to 3/4
CA-12-3A 12 5 4-1/8 13/16 5/8 to 3/4
CA-18-3 18 5 4-1/8 11/16 5/8 to 3/4
CA-18-3A 18 5 4-1/8 13/16 5/8 to 3/4

*RUS Accepted


VARIATIONS. The following options are available with all vertical Insulator & Equipment Brackets:

1. 1/2" equipment mounting bolts with nuts and washers. Add "EB" to catalog number.
3. 3/8" ground lug. Add "GL" to catalog number.


EQUIPMENT MOUNTS
Section D-7

TANK MOUNTED SURGE ARRESTER BRACKETS

For mounting surge arresters to overhead distribution transformer and regulator tanks. They are furnished with equipment mounting hardware for mounting arresters and optional bracket mounting hardware for fastening the bracket to the tank bolt pad.

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of 1/2"x2" galvanized steel carriage bolt, hex nut, split lockwasher and external tooth lockwasher. The TMSA-27 is furnished with a flat washer in place of the tooth lockwasher.

 

 

CATALOG NUMBER Dimensions (inches)
Mounting Hole Sizes Steel Sizes
TMSA-10 9/16 x 1-1/2 slots (2) 1/4 x 1-1/2
TMSA-12 9/16 x 1-1/4 slots (3) & 9/16 diameter (1) 3/8 x 1-1/2
TMSA-15 9/16 x 2-1/4 slots (2) 5/16 to 1-1/4
TMSA-27 9/16 x 1-1/4 slots (3) & 9/16 diameter (1) 5/16 to 1-1/2
TMSA-34 9/16 x 1-1/2 slots (2) 3/8 to 1-1/2

 


 

OPTIONAL MOUNTING HARDWARE: Consists of " x " or " x 1" with galvanized steel hex head machine bolts, split lockwashers, and flat washers. These items are plastic bagged and attached to the bracket. The letters "GH" must be added to the catalog number. Examples: TMSA-27GH (for bracket with galvanized hardware).


EQUIPMENT MOUNTS
Section D-8

HEAVY DUTY CABLE RACKS & SUPPORT ARMS

MATERIAL: A36 hot rolled steel and ductile iron, grade 654512.
FINISH
: Hot dip galvanized per ASTM A-153.

MOUNTING HOLES: One 13/16" diameter hole and one 11/16" x 1-1/2" slot. The CRC-6, 6 position rack, has two 11/16" x 1-1/2" slots.

 

 

Cable Rack Channel - 4" x 4.5 lb. Channel Steel 

CATALOG NUMBER Number
of Holes
Dimensions (inches)
A B C
CRC-1 1 8 - -
CRC-2 2 16 7-1/2 8
CRC-3 3 24 15-1/2 8
CRC-4 4 32 23-1/2 8
CRC-6 6 48 39-1/2 8

Heavy Duty Support Arms - Ductile Iron, Grade 654512

CATALOG NUMBER Number of Insulators Accommodated Dimensions (inches)
L (length) W (width)
CRA-1-HD 1 8-3/4 2-3/4
CRA-2-HD 2 12-3/4 2-3/4
CRA-3-HD 3 21-1/8 2-3/4

 


 

NOB TYPE CABLE RACKS & SUPPORT ARMS

MATERIAL: A36 hot rolled steel, welded construction and ductile iron, grade 654512.
FINISH
: Hot dip galvanized per ASTM A-153.

MOUNTING HOLES: Two 9/16" x 7/8" slots.

Cable Rack Bracket - 3/8" x 1-3/4" Steel

CATALOG NUMBER Number
of Holes
Dimensions (inches)
A B C
CRB-1 1 14-3/4 13 -
CRB-2 2 21-3/4 20 7
CRB-3 3 28-3/4 27 7
CRB-4 4 35-3/4 34 7
CRB-5 5 42-3/4 41 7

Nob Type Support Arms - Ductile Iron, Grade 654512

CATALOG NUMBER Number of Insulators Accommodated Dimensions (inches)
L (length) W (width)
CRA-1 1 4 2
CRA-2 2 8 2
CRA-3 3 12 2
CRA-4 4 15 2

 


EQUIPMENT MOUNTS
Section D-9

 

SUPPORT BRACKETS

Riser Mounting Bracket

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

CATALOG NUMBER Dimensions (inches)
Conduit Size Hole Diameter Steel Size
RMB-1S 2 - 5 9/16

2 x 9/16 x 3/16 channel

 


PSG Type, Pipe Straps

MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

 

CATALOG NUMBER

Conduit Size (inches)

Dimensions (inches)
A B R D (Diam.) Steel Size
PSG-2

2

2-1/2 2 1/2 1-1/4 1/4 16 gauge x 1
PSG-3

3

3-1/2 3-1/4 1-3/4 7/16 14 gauge x 1-1/2
PSG-4

4

4-1/2 4-1/4 2-5/16 7/16 14 gauge x 1-1/2
PSG-5

5

6-1/4 5-1/2 2-15/16 7/16 14 gauge x 1-1/2

 


 

Mast Clamps
The PC Type mast clamps are multi-purpose attachments for racks, brackets and hangers.

MATERIAL: Hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: Hot dip galvanized per ASTM A-153.

CATALOG NUMBER Dimensions (inches)
Conduit Size Steel Size
PC-252 2 to 2-1/2 1/8 x 1-1/4
PC-353 3 to 3-1/2 1/8 x 1-1/4
PC-450  4 to 4-1/2

1/8 x 1-1/4

 



LINE HARDWARE Inc.
4426 Hunt Avenue, Saint Louis, MO 63110
800.546.3411 fax: 314.531.1006

Email: info@linehardware.com

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The Company | Materials | Finish | Standards | Weights and Packaging | Stock Items/Custom Products