Assembly Instructions, Power Rail P6 (Version 2, Rev A)
1
The Power Rail P6 conforms to ANSI/UL
UL2703 (2015) Standard for Safety First
Edition: Mounting Systems, Mounting Devic-
es, Clamping/Retention Devices, and Ground
Lugs for Use with Flat-Plate Photovoltaic
Modules and Panels.
Electrical
Note: Electrical installations must be in
accordance with the National Electric
Code ANSI / NFPA 70. Contact your
local Authorities Having Jurisdiction
(AHJ) for additional details.
Max Overcurrent Protective Device (OCPD)
Rating: 25A
Equipment Grounding Conductor Sizing
Module Fuse
Rating
Copper Wire Size
<15 AMPS
#14 AWG 90°C
<20 AMPS
#12 AWG 90°C
20-60 AMPS
#10 AWG 90°C
Splice Plates
Slice Plates have been tested per UL2703
Bonding & Grounding requirements without
the use of Bonding Jumpers.
See assembly procedures for proper
assembly.
Module Clamps
Module clamps have integrated grounding
and have been tested to UL 2703
See Module Compatibility List for list of
approved modules.
Module Orientation: Portrait or Landscape
Power Rail
TM
P6 Ratings
Fire Class Resistance Rating
The system fire class rating is only valid when
the installation is conducted in accordance with
this manual.
Meets the requirements of Class A Steep Slope
Flush-Mounting Applications when using Type 1,
Listed Photovoltaic Modules.
Testing conducted with a 5” Gap (distance be-
tween roof covering and PV module frame) per
UL1703 allows the system to be installed with
any gap per manufacturer’s instructions.
Steep Slope refers to roofs with slopes greater
than or equal to 2:12.
Structural Certification
Mechanical Load Rating: Meets the minimum
design load rating of UL2703 section 21.4
(10 psf downward, 5 psf upward, and 5 psf
downslope) load. Actual system structural ca-
pacity defined by PE review.
Marking
Product markings identified per UL2703 are to
be located in a location that is readily accessible
for inspection.
