Jumper cable amp rating

**uls** · July 11th, 2013 12:39 PM

usually positive muna but not coz we're following procedure but coz nakasanayan na

ang rule lang naman huwag ma-baligtad huwag dumikit

**Retz** · July 11th, 2013 02:23 PM

jumper lang yan i-parallel lang ang baterya. dami pang procedure na positive muna, negative naman sa ground dapat. etc...

**uls** · July 11th, 2013 02:39 PM

it's an 8 step process haha

**Chinoi** · July 11th, 2013 05:14 PM

Originally Posted by Retz

jumper lang yan i-parallel lang ang baterya. dami pang procedure na positive muna, negative naman sa ground dapat. etc...

Bakit kaya SERIES ang tawag ng mga mechanic noong unang panahon pag jumper sa battery? Eh PARALLEL connection naman ito.

**Retz** · July 11th, 2013 05:25 PM

^

bagsak cguro sa basic electricity 101.

**joemarski** · July 11th, 2013 06:07 PM

Originally Posted by Chinoi

Bakit kaya SERIES ang tawag ng mga mechanic noong unang panahon pag jumper sa battery? Eh PARALLEL connection naman ito.

Sa mga matatandang mekaniko ko na nga lang narinig 'yang SERIES na 'yan.
Noong High School years ko, natanong ko sa matandang mekaniko namin
"Tatang, bakit po pag nagja- jumper kayo sa baterya eh sinasabi niyong I- SERIES MO NGA 'YUNG BATERYA?
Ang tamang tawag po kasi sa ganyang koneksyon e PARALLEL."

Sinagot niya naman ako ng tanong rin:
"O e di ba pag ikakabit, sa ingles eh SERIES?"

Sa tanong pa lang niya, nakuha ko na ang sagot sa tanong ko. Napa- ngiti na lang ako...

**alexverzosa** · July 11th, 2013 06:35 PM

Strictly speaking, it is a series connection because only a single load(car to be jumped) is connected to the single source(battery). Electron flow during jump start only occurs in a single loop. Yes, the batteries will be connected in parallel(source to source) but the car would be in series with the battery(or batteries in parallel).

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**Retz** · July 11th, 2013 07:16 PM

^

ah okay. un pala ang explanation kung bakit series.

**12vdc** · July 11th, 2013 08:11 PM

^ Wrong

If you series the batteries it will produce 24 volts.

**12vdc** · July 11th, 2013 08:18 PM

Originally Posted by uls

usually positive muna but not coz we're following procedure but coz nakasanayan na

ang rule lang naman huwag ma-baligtad huwag dumikit

Reason behind positive first is for safety.

Bridging negative first could pose great chances of positive accidentally touching the negative since the surroundings(car chassis) is already electrically negative.

Same safety practice for -48VDC Datacom/Telecom setup, but it uses negative as the "hot" wire (chassis being positive).