Specification

Thomas and Betts Corporation
Product Guide Specification
COMPRESSION AND MECHANICAL GROUNDING CONNECTORS
26 05 26.01-4
REVISION 0
b. Figure 6 to 8 compression ground grid connectors shall be used for cable to cable,
cable to ground rod, or cable to rebar.
c. Figure 6 to 8 compression ground grid connectors shall have a wire range of #6 to
500 kcmil.
d. Figure 6 to 8 compression ground grid connectors shall connect to ½” and 5/8”
ground rod.
e. Figure 6 to 8 compression ground grid connectors shall connect to #3 to #6 size
rebar.
10. T and X connectors
a. T and X connectors shall be of the GG21-21 series.
b. T and X connectors shall be a one-piece construction.
c. T and X connectors shall be used for cable to cable or cable to ground rod
connections.
d. T and X connectors shall have a wire range of #2 to 500 kcmil.
e. T and X connectors shall connect to ½”, 5/8” or ¾” ground rod.
11. 90º connectors
a. 90º connectors shall be of the GRD2 series.
b. 90º connectors shall be for cable to cable grid connections.
c. 90º connectors shall have a wire range of #2 to 250 kcmil.
12. C-taps
a. C-taps shall be of the CTP22 series.
b. C-taps shall have a main and tap wire range of #6 to 500 kcmil.
c. C-taps shall require #6 AWG conductors to be doubled.
13. Pigtail connectors
a. Pigtail connectors shall be of the GR12-306 series.
b. Pigtail connectors shall be a figure 8 construction.
c. Pigtail connectors shall be used for connecting cable to ground rod.
d. Pigtail connectors shall have a wire range of #6 to 4/0.
e. Pigtail connectors shall be capable of handling two wires in a range of #6 to #2.
f. Pigtail connectors shall connect to ½”, 5/8” and ¾” ground rod.
14. Grounding plates
a. Grounding plates shall be of the GP2250-2 series.
b. Grounding plates shall be connecting grid cable to ground.
c. Grounding plates shall have 3/8-16 UNC and ½-13 UNC thread holes for mounting.
d. Grounding plates shall have a wire range of #2 to 500 kcmil.
15. I-beam ground clamp
a. I-beam ground clamp shall be of the IBG2-10 series.
b. I-beam ground clamp shall be for connecting cable to an I-beam or any structural
steel member up to 1” maximum thickness.
c. I-beam ground clamp construction shall consist of a C-clamp and a heavy duty
compression lug.
d. C-clamp shall be made from drop-forged high-grade steel, zinc plated.
e. C-clamp shall have a breakaway bolt head that shears at predetermined torque to
ensure a tight connection.
f. Heavy duty compression lugs that cover a wire range of #2 to 500 kcmil.
16. Ground clamp
a. Ground clamp shall be of the CC2C-45R series.
b. Ground clamp shall be used to crimp to cable then clamp onto ground rod or rebar.
c. Ground clamp cable crimp section shall be color coded for easy die identification.
d. Ground clamp shall be furnished with ¼” stainless steel washer, bolt and nut.
e. Ground clamps shall have a wire range of #3 to 4/0 AWG.
f. Ground clamp shall connect to ½”, 5/8” or ¾” ground rod.
g. Ground clamp shall connect to 4/5” or 5/8” rebar.
17. Flat-surface ground clamp
a. Flat-surface ground clamp shall be catalog number 53055FL or 53065FL.