Ultra Rail Installation Manual

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INSTALLATION INSTRUCTIONS - SNAPNRACK GROUND LUG
1) Snap the SnapNrack Ground Lug
into the rail channel on one rail per
module row.
2) Place grounding conductor into
slot underneath split ring washer.
SnapNrack Ground Lug may be used
in side or top channel, and may be
rotated 90 degrees relative to slot to
facilitate running copper across top
of rails.
Install Note:
SnapNrack Ground Lug only Listed
for use with 6-12 AWG solid copper
conductor.
Install Note:
3) Tighten all hardware.
Grounding Specifications
INSTALLATION INSTRUCTIONS - ILSCO LAY-IN LUG
1) Drill and deburr a 1/4” hole in
the back side of the rail for the
Ilsco lug to attach to, place the bolt
through the hole, and attach the lug
assembly on one rail per module
row.
2) Place grounding conductor into
slot.
Torque rail connection to 35 ft-lbs.
Install Note:
Torque set screw to 20 in-lbs for #10-
#14 solid and stranded copper, 25
in-lbs for #8 stranded copper, and 35
in-lbs for #4-#6 stranded copper.
Install Note:
3) Tighten set screw per Ilsco’s
recommendation (see below).
• System has been evaluated to a maximum overcurrent device (OCD) protection level of 20 Amps.
• Universal End Clamp (UEC) does not bond module to rail. Be sure to separately ground any modules that are only secured by UECs,
especially during servicing.
• SnapNrack recommends that bare copper never come into contact with aluminum.
• SnapNrack Ground Lug: torque bolt to 16 ft-lbs. The Ground Lug may be used in side or top channel. It may be rotated 90 degrees relative
to slot to facilitate running copper across top of rails.
• Grounding with a standard Ilsco GBL-4DBT Lug is a listed alternate and requires drilling of a hole in the rail.
• Ilsco hardware connection to rail: 5 ft-lbs. Torque for lug set screw: #10-#14 solid and stranded copper- 20 in-lbs, #8 stranded copper- 25
in-lbs, #4-#6 stranded copper- 35 in-lbs.
Note: