Schumacher SC-8020A owner manual AC input rating

Recommended minimum awg size for extension cords for battery chargers

8.2

AC input rating,				AWG size of cord
amperesa			Length of cord, feet (m)
At least	But less	25	50		100	150
	than	(7.6)	(15.2)		(30.5)	(45.6)
0	2	18		18	18	16
2	3	18		18	16	14
3	4	18		18	16	14
4	5	18		18	14	12
5	6	18		16	14	12
6	8	18		16	12	10
8	10	18		14	12	10
10	12	16		14	10	8
12	14	16		12	10	8
14	16	16		12	10	8
16	18	14		12	8	8
18	20	14		12	8	6

aIf the input rating of a charger is given in watts rather than in amperes, the corresponding ampere rating is to be determined by dividing the wattage rating by the voltage rating ‒ for example:

1250 watts/125 volts = 10 amperes

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