INSTALLATION GUIDE
PAGE
22
BONDING RAIL SPLICE
BONDING COMBO MID-END CLAMP ASSEMBLY
Aluminum combo mid-end clamp cap with stainless steel bonding pins that pierce
module frame anodization to bond module to module through clamp
Stainless steel bolt bonds aluminum clamp to stainless steel Hex bolt
Aluminum combo mid-end clamp rail nut with stainless steel bonding pins that
pierce rail anodization to bond module to module through clamp
NOTE: See Page 19 for installation details.
Bonding Hardware creates bond between Splice bar and
each rail section.
Aluminum splice bar spans across rail gap to create rail
to rail bond. Rail on at least one side of splice will be
grounded.
NOTE:
• See Page 15 for installation details
•
Splice certified for single-use only
3
1
1
1
1
2
2
2
2
3
IMAGE-5-BONDING MICROINVERTER MOUNT
IMAGE-6-RACK SYSTEM GROUND
IMAGE-2-BONDING COMBO MID-END CLAMP ASSEMBLY
IMAGE-1-NXT RAIL
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
MODULE
FRAME
NXT
RAIL
BONDING BETWEEN THERMAL BREAKS
Lug is connected at the end of each thermal break
to the rail.
Solid copper wire is connected across the gap to
bond the two ends.
NOTE: See Page 5 for installation details.
1
1
2
2
MODULE
FRAME
N
XT
RAIL
Rail C
ap-
W/Bonding
hardware
Rail Nut
-
W/Bonding
hardware
RACK SYSTEM GROUNDING
Tabs on the stainless-steel washer pierce anodization on the rail to bond rail to ground wire.
Solid copper wire connected to lug is routed to provide final system ground connection.
NOTE: See Page 16 for installation details and alternate racking system grounding methods.
1
2
SOLID
COPPER
WIRE
NXT
RAIL
1
2
BONDING CONNECTIONS & GROUNDING PATHS
