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Copper Compression Lugs: Commonly available at hardware, welding, and auto parts retailers,
compression lugs must be crimped onto each cable using an appropriate crimping tool. These lugs
are not available from Trace Engineering. Suggested sources and part numbers are:
Hollingsworth, Pompano Beach, FL 305-979-2050
Part #
TL3061
TL3062
H40
Thomas & Betts
K973
M973
RJ737
RL737
TBM6 Hand Operated Crimping Tool (order dies separately)
Dies:
#11809 for crimping 2/0 non-insulated lugs
#11811
#11826
#11828
Mechanical Lugs: Aluminum mechanical lugs are available from electrical hardware suppliers and
do not require crimping. Suggested sources and part numbers are:
Part #
ILSCO
TA-2/0
TA-250 (preferred)
Thomas &Betts
62205
62212
Panduit
LAMA2/0-14
LAMA250-56.
Ground Cable Connection
You probably noticed that the Trace Legend Series II inverter/chargers have a third battery terminal
labeled "Vehicle Chassis Ground" (the green terminal on the left side of the unit). The purpose of this
third terminal is be sure that all DC load current into or out of the battery bank will flow through the
internal shunt of the inverter. The internal shunt is connected between the black battery negative
terminal and the green chassis ground terminal of the inverter (See Figure 3, DC Wiring Diagram on
Page 30.)
Because all DC loads in a vehicle are generally connected to a common chassis ground and not
directly to the battery negative (in a negative ground system), all DC current in the system will at
some point pass through the chassis and then into the battery bank. If the inverter is in this loop the
net current flow is easily monitored. Thus, the RC7 remote control's battery fuel gauge feature is
WK
Description
2/0 Ring Terminal
4/0 Ring Terminal
8 AWG to 250MCM Air-Operated Crimping Tool
2/0 Ring Terminal
4/0 Ring Terminal
2/0 Insulated Ring Terminal
4/0 Insulated Ring Terminal
4/0 non-insulated lugs
2/0 insulated lugs
4/0 insulated lugs
Description
2/0 Lug
250 MCM Lug
2/0 Lug
250 MCM Lug
2/0 Lug
250 MCM Lug
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