Technical Bulletin
StructuredGround
™
Mechanical Connectors
4
Bronze, Service Post Connector, Female Thread, Single Conductor
• For grounding one copper code conductor to steel
structures, busbars, or transformers or for tapping
from busbar using external studs, screws, or bolts
• Made from high copper content, hard drawn copper rod
provides high strength
• True hex design for body and nut hex provides correct
t with socket, box, or open end wrenches resulting in
proper torquing of electrical connection
• Pressure bar provides secure connection on a full range
of conductor combinations used with each connector
providing premium wire pull-out strength
• Wire range-taking capability minimizes inventory
requirements, saves cost
• cULus 467 Listed for grounding and bonding and
suitable for direct burial in earth or concrete
L
Z
*UNC threads.
Part Number
Conductor Size
Range (AWG)
Thread
Size*
Figure Dimensions
(In.)
Nut
Hex
(In.)
Body
Hex
(In.)
Std.
Pkg.
Qty.
L Z
SPF1-8-C
#12 SOL – #8 STR
1/4 – 20 0.91 0.25 0.50 0.38 100
SPF1-7-C
#10 SOL – #7 STR
1/4 – 20 1.13 0.25 0.69 0.50 100
SPF1-4-C
#8 SOL – #4 STR
5/16 – 18 1.44 0.31 0.75 0.56 100
SPF1-3-C
#6 STR – #3 STR
3/8 – 16 1.50 0.38 0.81 0.63 100
SPF1-2-C
#6 STR – #2 STR
3/8 – 16 1.63 0.38 0.88 0.69 100
SPF1-1/0-L
#2 SOL – 1/0 STR
1/2 – 13 1.88 0.44 1.00 0.75 50
SPF1-2/0-Q
#1 SOL – 2/0 STR
1/2 – 13 2.06 0.50 1.13 0.88 25
SPF1-4/0-Q
1/0 STR – 4/0 STR
5/8 – 11 2.38 0.63 1.38 1.13 25
SPF1-350-12
4/0 STR – 350 kcmil
5/8 – 11 2.63 0.63 1.50 1.25 12
SPF1-500-12
300 kcmil – 500 kcmil
3/4 – 10 3.13 0.75 1.81 1.50 12
Bronze, Service Post Connector, Female Thread, Two Conductor
• For grounding two copper code conductors to steel
structures, busbars, or transformers or for tapping from
busbar using external threaded studs, screws, or bolts
• Made from high copper content, hard drawn copper rod
provides high strength
• True hex design for body and nut hex provides correct
t with socket, box, or open end wrenches resulting in
proper torquing of electrical connection
• Pressure bar provides secure connection on a full range
of conductor combinations used with each connector
providing premium wire pull-out strength
• Wire range-taking capability minimizes inventory
requirements, saves cost
• cULus 467 Listed for grounding and bonding and
suitable for direct burial in earth or concrete
*UNC threads.
Part Number
Conductor Size
Range (AWG)
Thread
Size*
Figure Dimensions
(In.)
Nut
Hex
(In.)
Body
Hex
(In.)
Std.
Pkg.
Qty.
L Z
SPF2-8-C
#12 SOL – #8 STR
1/4 – 20 1.13 0.25 0.50 0.38 100
SPF2-7-C
#10 SOL – #7 STR
1/4 – 20 1.44 0.25 0.69 0.50 100
SPF2-4-C
#10 SOL – #4 STR
5/16 – 18 1.56 0.31 0.75 0.56 100
SPF2-3-C
#10 SOL – #3 STR
3/8 – 16 1.63 0.38 0.81 0.63 100
SPF2-2-C
#10 SOL – #2 STR
3/8 – 16 1.94 0.38 0.88 0.69 100
SPF2-1/0-L
#2 SOL – 1/0 STR
1/2 – 13 2.13 0.44 1.00 0.75 50
SPF2-2/0-Q
#2 SOL – 2/0 STR
1/2 – 13 2.31 0.50 1.13 0.88 25
SPF2-4/0-Q
#1 SOL – 4/0 STR
5/8 – 11 2.50 0.63 1.38 1.13 25
SPF2-350-12
#1 STR – 350 kcmil
5/8 – 11 2.69 0.63 1.50 1.25 12
SPF2-500-12
3/0 STR – 500 kcmil
3/4 – 10 3.31 0.75 1.81 1.50 12
L
Z
B
RATED
D
B
RATED
D