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NOTE: Wiring between generator and electrical appliances
1. Allowable current of cable
Use
a
cable with a allowable current that is higher than the rated input current of the load (electrical appliance). If the
input current is higher than the allowable current of the cable used, the cable will become excessively heated and de-
teriorate the insulation, possibly burning it out.
Table 7-2 shows cables and their allowable currents for yourreference.
2. Cable length
If a long cable is used, a voltage drop occurs due to the increased resistance in the conductors so that the input voltage
to the load (electrical produc t) decreases. As a result, the load can be damaged. Table 7-2 shows voltage drops per
100
meters of cable.
Nominal cross
Allowable ; No. of
section current
Resistance ’ Current Amp.
t
I I
I
’ Ci,lOOm 1A I 3A 1 5A I 8A , 10A
I
mm:
A
No.imm
12A ; 15A j
r .75
7 I
30;0.18 2.477 , 2.5V 1 8V 12.5V 1 - 1 - - , -
!
I
’
1 25 12 50i0.18
. 1 .486 1.5v 5v 7.5v I 12v :5V
, 18V -
’
2.0 17 37/0.26
0.952 1v
,
3V 5V 8V a 1ov
12v 15V !
,
-
3.5 1 23 45:0.32
0.517 I
I
- 1 .5v 2.5V14V 5V
,
6.5V 7.5v
r-5.5 ~~~ ‘~
I
35 70i0.32
’ 0.332 - 1v ! 2v 2.5V 3.5v
4v 5v
Table 7-2
Voltage decrease indicates as V = & x R x I x %
R means resistance (LL’lOOm) on the above table
I means electric currznt through the Loire (.-A).
i-means the length of the wire (.rnj.
The length of the wire indicates round length. it means twice the length from generator to electrical tools.
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