Fusion NVSW15, NVSW12 manual

TECH TIPS

POWER CABLE CALCULATOR

TOTAL AMPERAGE	0-4 FT	4-7 FT	7-10 FT	10 -13 FT	13-16 FT	16-19 FT	19-22 FT	22-28 FT
0 – 20	14	12	12	10	10	8	8	8
20 – 35	12	10	8	8	6	6	6	4
35 – 50	10	8	8	6	4	4	4	4
50 – 65	8	8	6	4	4	4	4	2
65 – 85	6	6	4	4	2	2	2	0
85 – 105	6	6	4	2	2	2	2	0
105 – 125	4	4	4	2	0	0	0	0
125 – 150	2	2	2	0	0	0	0	0

The above chart shows cable gauges to be used, if no less than a 0.5 volt drop is acceptable. If aluminium wire or tinned wired is used, the gauges should be of an even larger size to compensate. Cable gauge size calculation takes into account terminal connection resistance.

OHMS LAW SIMPLIFIED

	IR		E
			I
	W			E2
	I			W
WR	voltage		resistance	W
		E		I	2
			R
E		I	W	E2
	currenamperage		s
R			watt	R
	t
	W			I2R
	E
	W/R		EI

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