9
Cup washer (Terminal cup)
(Stainless steel or *brass)
Figure 3.2 (Method 1)
Grounding method
using self-tapping machine screw
Note: Use the smaller ground holes
illustrated in Figure 3.1.
Frame (Longer side)
Ground wire (#12AWG)
(wound around the screw)
Flat washer (Stainless steel)
Spring washer (Stainless steel)
Self-tapping machine screw (Stainless
steel)
#10-32
Grounding hole
(0.165’‘ diameter (4.2 mm) )
Glass
Length
(not less than 0.47’‘(12 mm)
not more than 0.78’‘(20 mm))
Backsheet
*Flat washer (Stainless steel)
*If using a brass cup washer, a flat
washer must be inserted between the
cup washer and module frame, and the
flat washer diameter must be greater
than the cup washer diameter.
*If using a brass cup washer, a flat
washer must be inserted between the
cup washer and module frame, and the
flat washer diameter must be greater
than the cup washer diameter.
Cup washer (Terminal cup)
(Stainless steel or *brass)
Star washer (Stainless steel)
Flat washer (Stainless steel)
Flat washer (Stainless steel)
Spring washer (Stainless steel)
Bolt (Stainless steel)
#8, #10, M5
Grounding hole
0.205’‘ diameter
(5.2 mm))
Length
(not less than 0.63’‘(16 mm)
not more than 0.78’‘(20 mm))
Frame (Longer side)
Nut (Stainless steel)
Figure 3.3 (Method 2)
Grounding method
using bolt and nut
Note: Use the larger ground holes
illustrated in Figure 3.1.
Ground wire (#12AWG)
(wound around the bolt)
Glass
Backsheet
*Flat washer (Stainless steel)
