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64
Electrical wiring work
Selecting solderless ring terminal
f
f
Select a solderless ring terminal for a power cable according to the nominal dimensions for cable .
f
f
Apply insulation coating to the connection part of the solderless ring terminal and the power cable .
Silver solder
Nominal dimensions for
cable [mm
2
(inch
2
)]
4/6 (0 .006/0 .009) 10 (0 .01) 16 (0 .02)
25 (0 .03)
35 (0 .05)
50 (0 .07) 70 (0 .10)
Nominal dimensions for
screw [mm (inch)]
4 (3/8) 8 (3/16) 8 (3/16)
8 (3/16) 8 (3/16) 8 (3/16) 8 (3/16) 8 (3/16) 8 (3/16)
8 (3/16)
B
Standard
dimension
[mm (inch)]
9 .5 (3/8) 15 (9/16) 15 (9/16) 16 (10/16) 12 (1/2)
16 .5
(10/16)
16
(10/16)
22 (7/8) 22 (7/8)
24 (1)
Allowance
[mm (inch)]
±0 .2 (±0 .007)
±0 .2
(±0 .007)
±0 .2
(±0 .007)
±0 .3 (±0 .011)
±0 .3 (±0 .011)
±0 .3
(±0 .011)
±0 .4
(±0 .015)
D
Standard
dimension
[mm (inch)]
5 .6 (1/4)
7 .1 (1/4)
9 (3/8)
11 .5 (7/16)
13 .3 (1/2)
13 .5 (1/2) 17 .5 (1/2)
Allowance
[mm (inch)]
+0 .3 (+0 .011)
-0 .2 (-0 .007)
+0 .3
(+0 .011)
-0 .2
(-0 .007)
+0 .3
(+0 .011)
-0 .2
(-0 .007)
+0 .5 (+0 .019)
-0 .2 (-0 .007)
+0 .5 (+0 .019)
-0 .2 (-0 .007)
+0 .5
(+0 .019)
-0 .2
(-0 .007)
+0 .5
(+0 .019)
-0 .4
(-0 .015)
d1
Standard
dimension
[mm (inch)]
3 .4 (1/8)
4 .5 (3/16) 5 .8 (1/4)
7 .7 (5/16)
9 .4 (3/8)
11 .4
(7/16)
13 .3 (1/2)
Allowance
[mm (inch)]
±0 .2
(±0 .007)
±0 .2
(±0 .007)
±0 .2
(±0 .007)
±0 .2
(±0 .007)
±0 .2
(±0 .007)
±0 .3
(±0 .011)
±0 .4
(±0 .015)
E
Min. [mm (inch)]
6
(1/4)
7 .9
(5/16)
9 .5
(5/16)
11
(3/8)
12 .5
(1/2)
17 .5
(11/16)
18 .5
(3/4)
F
Min. [mm (inch)]
5
(3/16)
9
(3/8)
9
(3/8)
13
(1/2)
15
(5/8)
13
(1/2)
13
(1/2)
13
(1/2)
14
(9/16)
20
(3/4)
L
Max. [mm (inch)]
20
(3/4)
28 .5
(1-1/8)
30
(1-3/16)
33
(1-5/16)
34
(1-3/8)
38
(1-1/2)
43
(1-
11/16)
50
(2)
51
(2)
d2
Standard
dimension
[mm (inch)]
4 .3
(3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
8 .4
(1-3/16)
Allowance
[mm (inch)]
+ 0 .2
(+0 .007)
0 (0)
+ 0 .4
(+0 .015)
0 (0)
+ 0 .4
(+0 .015)
0 (0)
+ 0 .4
(+0 .015)
0 (0)
+ 0 .4 (+0 .015)
0 (0)
+ 0 .4 (+0 .015)
0 (0)
+ 0 .4
(+0 .015)
0 (0)
+ 0 .4
(+0 .015)
0 (0)
t
Min. [mm (inch)]
0 .9
(0 .03)
1 .15
(0 .04)
1 .45
(0 .05)
1 .7
(0 .06)
1 .8
(0 .07)
1 .8
(0 .07)
2 .0
(0 .078)