Page 1
INSTALLATION INSTRUCTION SHEET
Frame Set Screw
(Knurled Tip)
Upper Opening
Lower Opening
FOR SOLAR MODULE GROUNDING LUG
Catalog Number:
SBC-414......SOLAR MODULE GROUNDING LUG.
READ ALL INSTRUCTIONS AND WARNINGS CAREFULLY BEFORE PROCEEDING!
WARNING
RISK OF SHOCK, DISCONNECT THE
ELECTRICAL CIRCUIT SUPPLYING
POWER TO THE OUTLET PRIOR TO
INSTALLATION.
EXCLUSIVE FEATURES
1. Suitable for use with # 14 to # 4 AWG copper
conductor, solid and stranded.
2. Suitable for mounting aluminum frame thickness
from 0.060” (Minimum) to 0.110” (Maximum).
3. Uses knurled set screw to secure to frame and
cut through anodizing.
4. For bonding up to maximum over-current
protection level of 150 Amps.
5. Rated maximum system over-current protection level.
(See Table for Protection Level)
CAUTION
TO PREVENT INJURY, THE LUG MUST BE SECURELY INSTALLED
IN ACCORDANCE WITH THESE INSTRUCTIONS BEFORE
MOUNTING THE ALUMINUM FRAME.
AFTER INSTALLATION OF LUG TO FRAME, BE SURE TO FOLLOW
ALL MOUNTING INSTRUCTIONS WITH THE COPPER CONDUCTOR.
MAXIMUM PROTECTION LEVEL
15 A
20 A
40 A
90 A
150 A
CONDUCTOR SIZE
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG / 4AWG
Figure 1
TA04779 A Page 1 of 2
Conductor Set Screw
(Standard / Flat Tip)
Page 2
SPECIFICATION
For use with Solar Module Grounding Lug or Listed mounting systems where described in Solar Module Grounding Lug or Listed
Mounting System Installation Instructions.
For sizing of an Equipment Grounding Conductor (EGC), the rating of the Overcurrent Protection Device (OCPD) in circuit ahead
of the Equipment shall not exceed the values in NEC Table 250.122 where the EGC is only required to be larger than the circuit
conductors supplying the equipment.
For use with a Grounding Electrode Conductor (GEC), the size of the conductor shall comply with NEC Articles 250.66 for AC
systems and 250.166 for DC systems
UL listed for grounding & bonding per UL 467, Tenth Edition, dated March 22, 2013 and CAN/CSA C22.2 No. 41-13, Sixth Edition,
dated March 22, 2013 under (KDER3/9: File E3060, Vol. 14, Sec. 1, issued 2014-06-30).
INSTALLATION INSTRUCTIONS
1. Mount Lug onto Solar Panel Frame
1). Slide Upper opening onto aluminum frame.
2). Torque ‘Frame Mount Set Screw’ to 45 lb-in using a 1/8” allen key or
hex driver (See Figure 2).
2. Mount Conductor Inside Lower Lug Opening
1). Strip conductor insulation back at least 1/2” and insert into lower
opening of clip.
2). Secure conductor: Torque ‘Conductor Mount Set Screw’ using a 1/8”
allen key or hex driver (See Figure 3).
(See Table for Torque Values)
CONDUCTOR TORQUE VALUES
14 AWG (SOLID) 30 lb-in
14 AWG (STRANDED)
12 AWG (SOLID)
12 AWG (STRANDED)
10 AWG (SOLID)
10 AWG (STRANDED)
8 AWG (SOLID)
8 AWG (STRANDED)
6 AWG (SOLID)
6 AWG (STRANDED)
4 AWG (SOLID)
4 AWG (STRANDED)
35 lb-in
35 lb-in
35 lb-in
35 lb-in
35 lb-in
40 lb-in
40 lb-in
45 lb-in
45 lb-in
45 lb-in
45 lb-in
FIGURE 3FIGURE 2
WARRANTY: Thomas & Betts sells this product with the understanding that the user will perform all necessary tests to determine the suitability of this product for the user's intended application.
Limitations and Exclusions: THE ABOVE WARRANTY IS THE SOLE WARRANTY CONCERNING THIS PRODUCT, AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WHICH ARE SPECIFICALLY DISCLAIMED. LIABILITY
FOR BREACH OF THE ABOVE WARRANTY IS LIMITED TO COST OF REPAIR OR REPLACEMENT OF THE PRODUCT, AND UNDER NO CIRCUMSTANCES WILL THOMAS & BETTS BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Thomas & Betts Corporation
Memphis,
TA04779 A Page 2 of 2
Tennessee
www.tnb.com
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