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EY35, EY40 - Small Engine Discount

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10-7 VINYL-INSULATED WIRE<br />

Recent engine sets become complex, and an increasing number of them are remote-controlled.<br />

When designing or repairing such machines, special care must be taken in selecting their wire. Select the correct wire from<br />

the table below by considering the following.<br />

FACTORS TO BE CONSIDERED<br />

* Amperage<br />

* Current flowing time (continuous, intermittent)<br />

* Wire length<br />

* Mechanical strength of wire against vibration<br />

* Wire size versus resistance<br />

Size (mm2 I<br />

0.50<br />

0.85<br />

1.25<br />

2.0<br />

3 .O<br />

5 .O<br />

8.0<br />

15.0<br />

20.0<br />

30 .O<br />

No. of conductors/<br />

conductor diameter (mml<br />

7r0.32<br />

11r0.32<br />

1 6r0.3 2<br />

2610.32<br />

41 10.32<br />

6510.32<br />

5010.45<br />

8410.45<br />

4 1 10.80<br />

70f0.80<br />

Resistor (Wml 2OoC Albwable curre1<br />

(I<br />

0.03250 9<br />

0.02050<br />

0.01410<br />

12<br />

1.5<br />

0.00867<br />

20<br />

0.00550<br />

27<br />

0.00374<br />

37<br />

0.00228<br />

47<br />

0.00136<br />

59<br />

0.00087<br />

84<br />

0.00051<br />

120<br />

* Electrical resistance increases with wire length, and decreases as conductor diameter increases. Resistance also varies<br />

with material even if size and length are the same.<br />

* Nominal size means the nominal area of steel wire expressed by 00 square (SQ).<br />

- 36 -

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