Thomas and Betts Corporation
Product Guide Specification
Specifier Notes: This product guide specification is written according to the Construction Specifications Institute
(CSI) 3-Part Format, including MasterFormat, SectionFormat, and PageFormat, as described in The Project
Resource Manual—CSI Manual of Practice, Fifth Edition.
This section must be carefully reviewed and edited by the Architect or Engineer to meet the requirements of the
project and local building code. Coordinate this section with other specification sections and the Drawings. Delete
all “Specifier Notes” after editing this section.
Section numbers are from MasterFormat 2010 Update.
SECTION 26 05 26.03
EXOTHERMIC WELDING SYSTEM
Specifier Notes: Delete any information below in Parts 1, 2 or 3 which is not required or relevant for the project.
PART 1 – GENERAL
1.01
SUMMARY
A.
1.02
1.03
1.04
This section includes an exothermic welding system, a self-contained method of fusion that forms
high quality electrical connections.
REFERENCES
A.
Underwriters Laboratories, Inc. (UL):
1.
UL467
Grounding and Bonding Equipment
B.
Canadian Standard Association (CSA):
1.
CSA C22.2 No. 41
Grounding and Bonding Equipment
2.
CSA C22.1
Canadian Electrical Code Part I (CEC)
C.
National Fire Protection Association (NFPA):
1.
NFPA 70
National Electrical Code (NEC)
D.
Institute of Electrical and Electronics Engineers (IEEE)
1.
IEEE 837
Standard for Qualifying Permanent Connections Used in Substation
Grounding
SUBMITTALS
A.
Comply with Section 01 33 00 – Submittal Procedures.
B.
Product Data:
1. Submit manufacturer’s descriptive literature and product specifications for each product.
2. Manufacturer’s product drawings.
C.
Manufacturer’s installation instructions
QUALITY ASSURANCE
A.
Manufacturer Qualifications: Products shall be free of defects in material and workmanship.
B.
Furnished products have been successfully tested in accordance to industry standards.
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Product Guide Specification
1.05
WARRANTY
A.
Product is warranted free of defects in material and workmanship.
B.
Product is warranted to perform the intended function within design limits.
PART 2 – PRODUCTS
2.01
2.02
GENERAL
A.
the exothermic welding system consists of the following components:
1.
Molds
2.
Weld Powders (retaining discs, starting powder, weld powder)
3.
Handle Clamps
4,
Tools and Accessories
B.
Exothermic welded connections have been successfully tested in accordance to the following
standards:
1.
IEEE 837
2.
UL 467
3.
CSA C22.2 No. 41
MANUFACTURERS
A.
Acceptable Manufacturers:
Thomas & Betts Corporation
8155 T&B Blvd
Memphis, TN 38125
800-816-7809, 901-252-5000
www.tnb.com
Products:
1.
Blackburn® Exothermic Welding System
2.03
DESIGN AND PERFORMANCE REQUIREMENTS
A.
Molds
1.
Molds shall be made from graphite and with proper care should produce up to 75
connections.
2.
Molds shall make fused copper to copper and copper to steel connections.
3.
Fused copper to copper and copper to steel connections shall withstand repeated fault
currents and shall not loosen.
4.
Molds shall be available in the following cable to cable series:
a.
CC1 series – splice, #3 to 1000 kcmil conductor size
b.
CC2 series – Tee, #4 to 1000 kcmil conductor size
c.
CC4 series – Cross, #4 to 500 kcmil conductor size
d.
CC6 series – 2 to 1 connection, #4 to 350 kcmil conductor size
e.
CC7 series – 2 to 2 connection, #4 to 4/0 AWG conductor size
f.
CC11 series – crossover connection, #6 to 500 kcmil conductor size
5.
Molds shall be available in the following cable to ground rod series:
a.
CR1 series - 90º connection, #6 to 500 kcmil conductor size and ½” to ¾” ground rod
b.
CR2 series – Tee, #6 to 500 kcmil conductor size and ½” to ¾” ground rod
c.
CR3 series – crossover connection, 1/0 to 500 kcmil conductor size and ½” to ¾”
ground rod.
5.
Molds shall be available in the following cable to rebar series:
a.
CRE1 series – parallel connection, #4 to 4/0 AWG conductor size, 3 to 11 rebar
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Product Guide Specification
6.
7.
8.
9.
10.
B.
b.
CRE3 series – crossover, #4 to 4/0 AWG conductor size, 4 to 11 rebar
c.
CRE4 series – crossover, #4 to 4/0 AWG conductor size, 4 to 11 rebar
d.
CRE6 series – Tee, #4 to 4/0 AWG conductor size, 4 to 11 rebar.
Molds shall be available in the following cable to steel surface and pipe series:
a.
CS1 series – flat surface raised termination, 1/0 to 1000 kcmil conductor size
b.
CS2 series – flat surface raised splice, 1/0 to 500 kcmil conductor size
c.
CS3 series – flat surface perpendicular termination, #6 to 1000 kcmil conductor size
d.
CS3 series – pipe perpendicular termination, #4 to 4/0 AWG, 1-1/2” to 14” pipe
e.
CS4 series – flat surface continuous, #6 to 250 kcmil
f.
CS4 series – pipe continuous, #4 to 4/0 AWG, 1-1/2” to 14” pipe
g.
CS7 series – flat surface termination, #4 to 500 kcmil
h.
CS7 series – pipe termination, #4 to 4/0 AWG, 1-1/2” to 14” pipe
i.
CS8 series – flat surface flush termination, #6 to #1 AWG
j.
CS9 series – flat surface flush splice, #6 to #1 AWG
k.
CS25 series – flat surface termination, #4 to 500 kcmil
l.
CS25 series – pipe termination, #4 to 4/0 AWG, 1-1/2” to 14” pipe
m.
CS27 series – flat surface splice, #6 to 250 kcmil
n.
CS27 series - pipe splice, #4 to 4/0 kcmil, 1-1/2” to 14” pipe
o.
CS31 series - flat surface 90º, #6 to 500 kcmil
p.
CS31 series – pipe 90º, left or right, #4 to 4/0 AWG, 1-1/2” to 14” pipe
q.
CS32 series – pipe raise termination, left or right, #4 to 4/0 AWG, 1-1/2” to 14” pipe
r.
CSA34 series – pipe raised splice, #4 to 4/0 AWG, 1-1/2” to 14” pipe
Molds shall be available in the following cable to bar series:
a.
CB1 series – lug configuration, #4 to 1000 kcmil, 1/8” x 1” to ½” x 3” bar
b.
CB4 series – Tee configuration, #2 to 1000 kcmil, ¼” to ½” thick bar
c.
CB29 series – crossover continuous, #2 to 750 kcmil, ¼” to ½” thick bar
Molds shall be available in the following bar to bar series:
a.
BB1 series – vertical splice, 1/8” x 1” to ½” x 2” bar
b.
BB2 series - 90º, 1/8” x 1” to ½” x 2” bar
c.
BB3 series – Tee crossover, 1/8” x 1” to ½” x 2” bar
d.
BB7 series – horizontal splice, 1/8” x 1” to ½” x 2” bar
e.
BB14 series – Tee, 1/8” x 1” to ½” x 2” bar
Molds shall be available in the following bar to steel series:
a.
BS1 series – side termination, 1/8” x 1” to ½” x 2” bar
b.
BS2 series – flush termination, 1/8” x 1” to ½” x 2” bar
c.
BS3 series – parallel offset, 1/8” to ½” thickness, 1” and wider bar
d.
BS4 series – horizontal stacked parallel, 1/8” x 1” to ½” x 2” bar
e.
BS5 series – vertical stacked parallel, 1/8” to ½” thickness, 1” and wider bar
Sure Shot® welding mold series SCR
a.
Sure Shot® welding mold series SCR shall be used for conductor to copper ground
rod, #8 to 4/0 AWG conductor size, 5/8” to 3/4” ground rod size.
b.
Sure Shot® welding mold series SCR shall be maintenance free one-shot molds.
c.
Sure Shot® welding mold series SCR shall be biodegradable ceramic that can be left
underground.
d.
Sure Shot® welding mold series SCR shall come packaged with all necessary
components needed to make a connection.
Welding Powders:
1.
Reference Blackburn® Exothermic Welding System literature for the correct welding powder
kit for each mold catalog number selected.
2.
Welding powder and starting powder shall come pre-measured and packaged in a plastic
cartridges.
3.
Also included with the welding powder cartridges are separate retaining discs for retaining the
powder prior to fusion.
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Product Guide Specification
C.
Handle Clamps:
1.
HCPK3 handle clamps shall be used to handle the molds and clamp them together during
fusion.
2.
Reference Blackburn® Exothermic Welding System literature for the correct handle clamp for
each mold catalog number selected.
D.
Tools and Accessories:
1.
Reference Blackburn® Exothermic Welding System literature for the following tools and
accessories for use with each mold catalog number.
a.
cable brush
b.
mold scraper
c.
mold brush
d.
file card brush
e.
flint gun
PART 3 – EXECUTION
3.1
INSTALLATION
A.
Installation shall be in accordance with the NEC and CEC guidelines where applicable and
manufacturer’s instructions.
END OF SECTION
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