28
Table 4
Sym
4.3.3
Prope
point
devic
•
The
gro
resp
•
The
690
resp
•
PV s
con
(
Fig
4.1: Recommende
mbol
Size
A
1
1
/
9
”
B
1
3
/
7
”
C
2
/
7
”
/
D
1
3
/
7
”
E
1
9
/
14
F
1
11
/
1
NOTIC
Follow t
ground
Groun
.
er grounding
for the cond
es.
DANG
Ground
and nat
e AC input an
unding, if req
ponsibility of
e Photovoltaic
0.41 through
ponsibility of
strings may h
nductors
are
gure 4.6, pos. 8
Figure 4.9: Size
ed size for the co
”
/
28.8 mm
”
/
35.8 mm
7.0 mm
”
/
35.5
4
”
/
42.5 mm
14
”
/
45.3 mm
CE
the guideline
ing and tight
nding
of the entire
ductive parts
GER
ding should b
tional electric
d AC output
quired by Sec
f the installer
c System Gro
690.47 of the
f the installer
have the nega
terminated a
8
).
criteria for cond
onduits
es from the co
tening torque
e PV system li
and facilitate
be carried out
cal regulation
circuits are is
ction 250 of t
ounding shall
e of the Natio
ative or the p
at the
equipm
duits to fit the Stri
onduit manu
e.
imits voltage
es the operat
t by qualified
ns to prevent
solated from
the National E
be installed
onal Electrical
positive cond
ment ground
U
ingbox knock ou
ufacturer rega
e surges, give
ion of the ov
d persons only
t shock hazard
the enclosur
Electrical Cod
per the requ
l Code, ANSI/
uctors groun
ding bar
in th
ser Guide
DLX UL
uts
arding conne
s a common
vercurrent pro
y, and compl
ds.
re and that sy
de, ANSI/NFP
uirements of S
/NFPA 70 and
nded. The
gro
e Stringbox v
series L00410625-0
ection,
reference
otection
ly with local
ystem
PA 70, is the
Sections
d is the
ounded
via the GFDI
01
