EQUIPMENT MOUNTS
Section D-1

Crossarm Mounting Brackets

MATERIAL: All brackets manufactured of A-36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH
: All brackets hot galvanized per ASTM A-153.

CUSTOM DESIGNED BRACKETS: which meet specific customer requirements are available. Contact factory for information and pricing.


CMB-Type (NEMA BRACKETS), Cutout & Arrester Mounts

CATALOG NUMBER Description

Steel Size (inches)

Dimensions (inches)

Angle Bracket Back Strap A B C
CMB-1 NEMA Type A 5/16 x 1-1/2 1/4 x 1-1/4 2-3/4 to 4 4-1/8 to 5-1/4 2-1/4
CMB-2 NEMA Type B 3/8 x 1-3/4 2-1/4
CMB-3 NEMA Modified 3/8 x 1-3/4 4-15/16
CMB-4 NEMA Modified 3/8 x 2 5-1/2

 


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

CATALOG NUMBER Description

Steel Size (inches)

Dimensions (inches)

Angle Bracket Back Strap A B C
CMB-1A With extra 7/16" square hole at top 5/16 x 1-1/2 1/4 x 1-1/4 2-3/4 to 6 4-1/8 to 6 2-1/4
CMB-2A 3/8 x 1-3/4 2-1/4
CMB-3A 3/8 x 1-3/4 4-15/16
CMB-4A 3/8 x 2 5-1/2

 


CMB-L-TYPE (angle only)

CATALOG NUMBER

Description

Dimensions (inches)

Steel Size

C

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

With extra 7/16" square hole at top

5/16 x 1-1/2 2-1/4
CMB-2A-L With extra 7/16" square hole at top 3/8 x 1-3/4 2-1/4
CMB-3A-L With extra 7/16" square hole at top 3/8 x 1-3/4 4-15/16
CMB-4A-L With extra 7/16" square hole at top 3/8 x 2 5-1/4

 


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

Pole Mounting Brackets

Single Phase Cutout and Arrester Combination T-Brackets

MATERIAL: A-36 hot rolled steel, hot galvanized per ASTM A-153.

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

GROUND LUGS: To order brackets with ground lugs (pictured on page A-5) 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-3

Pole Mounting Brackets


C&A Combination Extension Brackets

MATERIAL: A-36 hot rolled steel, hot galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of two 3/8"x1-1/2" carriage bolts for the CB-5-type & 3/8"x2" 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 Mounting Straps

MATERIAL: A-36 hot rolled steel, hot galvanized per ASTM A-153.

HARDWARE: Consists of two 1/2"x2" captive carriage bolts with external tooth washers, split lockwashers and hex nuts.

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

 


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: A-36 hot rolled steel, hot 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: A-36 hot rolled steel, hot 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-4

Pole Mounting Brackets

TERMINATOR BRACKETS

These brackets are available in a variety of designs. The Pothead Terminator bracket, pictured above with straight pothead mounting flanges, is also available with mounting flanges angled at 20 . Flanges and adaptors may be ordered separately. See data box below.

MATERIAL: A-36 hot rolled steel, hot galvanized per ASTM A-153.

EQUIPMENT MOUNTING HARDWARE: Consists of "x2" 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.


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

 


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

-

 


TB-TYPE, Three Phase Terminator Mounts

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C Angle Bracket Mounting Strap
TB-3A 9-1/4 9-1/2 7-5/8

2 x 1 x 3/16 channel

2 x 1 x 3/16 channel

TB-3B 14-1/2 9-1/2 7-5/8
TB-3C 14-1/2 16-1/2 11-1/2
TB-3D 9-1/4 16-1/2 7
TB-3E 14-1/2 16-1/2 7
TB-3F 9-1/4 16-1/2 11-1/2

 


TB-20-TYPE, Three Phase Mounts with 20 Adaptors

CATALOG NUMBER

Dimensions (inches)

Steel Size (inches)

A B C Angle Bracket Mounting Strap
TB-3A-20 11 5/8 11 7/8 7 5/8

2 x 1 x 3/16 channel

2 x 1 x 3/16 channel

TB-3B-20 16 7/8 11 7/8 7 5/8
TB-3C-20 16 7/8 18 7/8 11 1/2
TB-3D-20 11 5/8 18 7/8 7
TB-3E-20 16 7/8 18 7/8 7
TB-3F-20 11 5/8 18 7/8 11 1/2

 


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

 


EQUIPMENT MOUNTS
Section D-5

Pole Mounting Brackets

INSULATOR BRACKETS

A variety of bracket designs allows 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 604512, hot 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 - 3/4 35
PTIB-450 6 2 6 4-1/2 5/8 - 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 - 3/4
CA-12-1A 12 5 4-1/8 13/16 5/8 - 3/4
CA-18-1 18 5 4-1/8 11/16 5/8 - 3/4
CA-18-1A 18 5 4-1/8 13/16 5/8 - 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 - 3/4
CA-12-3A 12 5 4-1/8 13/16 5/8 - 3/4
CA-18-3 18 5 4-1/8 11/16 5/8 - 3/4
CA-18-3A 18 5 4-1/8 13/16 5/8 - 3/4

*RUS Accepted


VARIATIONS. The following options are available with all vertical Insulator & Equipment Brackets: 1.) 1/2" - 13 tapped hole for ground lug (not furnished). Add "TH" to catalog number. 2.) 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-6

Pole Mounting Brackets

CONDUIT SUPPORT BRACKETS

These brackets are available in a variety of designs. Besides the pictured styles we are able produce custom designed brackets to meet your specific engineering requirements. 

MATERIAL: A-36 hot rolled steel, hot galvanized per ASTM A-153.


PSG-TYPE, Pipe Straps

CATALOG NUMBER

Conduit Size (inches)

Dimensions (inches)
A B R D (Diameter) 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

 


Riser Mounting Bracket

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

2 x 9/16 x 3/16 channel

 


EQUIPMENT MOUNTS
Section D-7

 

Mast, Pipe and Steel Pole Mounting Brackets


SECONDARY POLE BANDS

For mounting secondary racks and other equipment on steel poles. They are furnished with 5/8"x2" carriage bolts for mounting equipment and two "x3 " carriage bolts for securing bands on pole.

MATERIAL: "x1 " steel, hot galvanized per ASTM A-153.

CATALOG NUMBER

Type

Pole diameter range (inches)

SPB-1-2503

single

2-1/2 to 3

SPB-1-3350 single 3 to 3-1/2
SPB-1-3504 single 3-1/2 to 4
SPB-1-4450 single 4 to 4-1/2
SPB-1-4505 single 4 1/2 to 5
SPB-1-6675 single 6 to 6-3/4
SPB-2-2503 double 2-1/2 to 3
SPB-2-3350 double 3 to 3-1/2
SPB-2-3504 double 3-1/2 to 4
SPB-2-4450 double 4 to 4-1/2
SPB-2-4505 double 4-1/2 to 5
SPB-2-6675 double 6 to 6-3/4

 


MAST BRACKETS

PC-TYPE, Mast Clamps

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

Material: A-36 hot rolled steel, galvanized per ASTM A-153.

CATALOG NUMBER

Type

Pole diameter range (inches)

PC-252 2 to 2-1/2 1/8 to 1-1/4
PC-353 3 to 3-1/2 1/8 to 1-1/4

 


EQUIPMENT MOUNTS
Section D-8

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: A-36 hot rolled steel, hot 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)
Steel Sizes Mounting Hole Sizes
TMSA-10 1/4 to 1-1/2 9/16 x 1-1/2 slots (2)
TMSA-12 3/8 x 1-1/2 6/16 x 1-1/4 slots (3) & 9/16 diameter (1)
TMSA-27 5/16 to 1-1/2 9/16 x 1-1/4 slots (3) & 9/16 diameter (1)
TMSA-34 3/8 to 1-1/2 9/16 x 1-1/2 slots (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).

 

 


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