Specification

Thomas and Betts Corporation
Product Guide Specification
COMPRESSION AND MECHANICAL GROUNDING CONNECTORS
26 05 26.01-7
REVISION 0
D. Ground Clamps
1. Ground clamps shall be UL listed and/or CSA certified.
2. Ground clamps shall be used for connecting grounding conductors to ground rod or pipe.
3. Ground clamps shall be available to cover IPS pipe ranges of 3/8” to 4” and water pipe
ranges of ½” to 12”.
4. Ground clamps shall be available to cover ground rod ranges of 5/8” to 4-1/2”.
5. Ground clamps shall be available to cover wire ranges #8 to 250 kcmil.
6. Ground clamps shall be of the following series:
a. GUV584 series: U-bolt design, cast or forged copper alloy
b. 2-TB and 3902 series: U-bolt waterpipe ground clampls
c. AJ series: tin plated aluminum with zinc plated steel screws for use with copper or
aluminum conductors
d. BJ-1 series: die cast zinc with zinc-plated steel screws
e. JD series: cast bronze with zinc plated steel screws
f. JDLI: cast bronze with stainless steel hardware for direct burial
g. JA series: cast bronze with zinc plated steel hardware for connecting armored
cable to water pipe.
h. 10105 & 10109: zinc plated malleable iron cable tray ground clamp.
i. 6209 series: swivel tray clamp, zinc plated malleable iron with hardened zinc plated
steel screws.
j. TGC: beam ground clamp, high conductivity copper alloy with tin plated steel bolt.
E. Compression Taps:
1. Compression taps shall be of the CC 48 series.
2. Compression taps shall be made from pure electrical grade copper for a high conductivity,
low resistance, reliable connection.
3. Compression taps shall have the following wire range size:
a. A groove: #6 to 4/0 AWG
b. B groove: #8 to 4/0 AWG
4. Compression taps shall be marked with the die reference for easy identification.
5. Compression taps shall be RUS accepted.
F. Clamps:
1. Blackburn® XT series clamps
a. Blackburn® XT series clamps shall be used for Tee taps, cross, parallel and end to
end connections.
b. Blackburn® XT series clamps shall be made from a copper alloy casting for high
strength.
c. Blackburn® XT series clamps shall use silicone-bronze bolts for durability.
d. Blackburn® XT series clamps shall handle a main wire range of #1 to 1000 kcmil.
e. Blackburn® XT series clamps shall handle a tap wire range of #6 to 1000 kcmil.
f. Blackburn® XT series clamps shall have a tin plated option by adding a –P suffix to
the catalog number.
2. Blackburn® DLC single U-bolt aluminum fitting series
a. Blackburn® DLC single U-bolt aluminum fitting series shall be used for deadend
loop connections.
b. Blackburn® DLC single U-bolt aluminum fitting series shall be cast from high
strength, heat treated aluminum-silicon alloy.
c. Blackburn® DLC single U-bolt aluminum fitting series hardware shall be made from
galvanized steel for strength and durability.
d. Blackburn® DLC single U-bolt aluminum fitting series shall have a main and tap
wire range of #6 to 1/0 AWG and ACSR.
e. Blackburn® DLC single U-bolt aluminum fitting DLC2106 shall be RUS accepted.
3. Blackburn® HLC series hot-line clamps
a. Blackburn® HLC series hot-line clamps shall have an eye-bolt coated with grease
to ensure turning in all weather conditions.