Technical Bulletin
Part Number
Conductor Size
Range (AWG)
Stud
Size*
(UNC threads)
Figure Dimensions
(In.)
Nut
Hex
(In.)
Body
Hex
(In.)
Std.
Pkg.
Qty.
L Z
SP2-8-C
#12 SOL – #8 STR 1/4 – 20
0.75 0.50
0.50 0.38 100
SP2-8L-C
0.75 1.00
GSP2-12-6-C¹
#12 SOL - #6 STR 1/4 – 20
0.94 0.83
0.69 0.56 100
SP2-7-C
#10 SOL - #7 STR 1/4 - 20
1.00 0.50
0.69 0.50 100
SP2-7L-C
1.00 1.00
SP2-4-C
#10 SOL - #4 STR 5/16 - 18
1.16 0.56
0.75 0.56 100
SP2-4L-C
1.16 1.00
GSP2-10-4-C²
#10 SOL - #4 STR 5/16 - 18
1.30 0.83
0.81 0.69 100
SP2-3-C
#10 SOL - #3 STR 3/8 – 16
1.09 0.63
0.81 0.63 100
SP2-3L-C
1.09 1.13
GSP2-10-2-C³
#10 SOL - #2 STR 3/8 - 16
1.30 0.83
0.81 0.69 100
SP2-2-C
#10 STR - #2 STR 3/8 - 16
1.38 0.63
0.88 0.69 100
SP2-2L-C
1.28 1.13
SP2-1/0-L
#2 SOL - 1/0 STR 1/2 - 13
1.69 0.75
1.00 0.75 50
SP2-1/0L-L
1.69 1.25
GSP2-2-2/0-L
4
#2 SOL - 2/0 STR 3/8 - 16
1.65 0.83
1.06 0.88 50
SP2-2/0-Q
#2 SOL - 2/0 STR 1/2 - 13
1.88 0.75
1.13 0.88 25
SP2-2/0L-Q
1.88 1.25
SP2-4/0-Q
#1 SOL - 4/0 STR 5/8 - 11
2.25 1.00
1.38 1.13 25
SP2-4/0L-Q
2.25 1.50
SP2-350-12
#1 STR - 350 kcmil 5/8 - 11
2.69 1.00
1.50 1.25 12
SP2-350L-12
2.69 1.50
SP2-500-12
3/0 STR - 500 kcmil 3/4 – 10
3.19 1.38
1.81 1.50 12
SP2-500L-12
3.19 1.75
*Type GSP2 does not have a true hex body. Apply open-end wrench to body width normal to conductor slot
1
Alternate offering for SP2-8 and SP2-7. Review stud length (Dim. Z) for potential replacement for SP2-8L and SP2-7L
2
Alternate offering for SP2-4. Review stud length (Dim. Z) for potential replacement for SP2-4L
3
Alternate offering for SP2-3 and SP2-2. Review stud length (Dim. Z) for potential replacement for SP2-3L and SP2-2L
4
Alternate offering for SP2-1/0 and SP2-2/0. Note stud size difference. Review stud length (Dim. Z) for potential replacement for SP2-1/0L and SP2-2/0L
3
StructuredGround
™
Mechanical Connectors
Bronze Service Post Connector, Male Stud, Two Conductor
• For grounding two copper code conductors to steel
structures, busbars, or transformers or for tapping from
busbar with hex nut and washer
• Made from high copper content, hard drawn copper rod
provides high strength
• Pressure bar provides secure connection on a full range
of conductor combinations used with each connector
providing premium wire pull-out strength
• cULus 467 Listed for grounding and bonding and
suitable for direct burial in earth or concrete
Z
L
B
RATED
D
• True hex design for body and nut hex provides correct t
with socket, box, or open end wrenches for easy installa-
tion process
• Offered with standard and long stud lengths for optimized
t of the threaded stud through the mounting surface
• Incorporates longer stud length than standard SP2 stud
length to accommodate a variety of mounting applications
• Greater wire range-taking capability allows one GSP2
part to substitute for up to four SP2 parts (see Table for
comparatives) – reduces inventory, saves costs
Type SP2 – Premium Grade
Type GSP2 – Value Grade