Grounding to frame.
I read several posts on grounding to the frame. My cart does have a ground wire from the B- to the frame. Is it supposed to? I know the lights ground on the frame. Should they be wired directly to the B- instead? This cart has been SOOOO rigged!!!:scratch:
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Re: Grounding to frame.
on an electric, there should be absolutely no grounds to the frame! what cart do you have? we can help you with a schematic of the wiring. you need to post up a pic. you have something seriously wrong. after trying to read your previous post, i think you should slow down and start over. year, model, etc. maybe a pic of the motor set up as it is now.
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Re: Grounding to frame.
Never ever ever ever ground to the frame as Jim said. Should always be grounded back to the pack.
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Re: Grounding to frame.
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The battery pack contains several Megajoules of energy, more than enough to create an arc many times brighter than the Sun. Hydrogen gas is produced during the charge/discharge cycle and all that is needed is a spark to go BOOM! The electrolyte is 35% H2SO4 and there are gallons of it waiting to be launched. If B- is attached to the frame, any metal to metal contact between any of the high current carrying cable connectors and the frame could: A. Weld the short circuit in place B. Explode one or more batteries C. Spray gallons of Sulphuric Acid all over everything in the vicinity. While isolating the frame doesn't eliminate all the safety hazards lurking under the seat, it does mitigate some of the avoidable ones. When working under the seat, always wear safety goggles, full face shield is preferred. Avoid using wrenches long enough to short between battery posts if dropped. (Torque spec for battery terminals is only 100 In/Lb, so you don't need much leverage) EZGO and other cart Manufactures advocate using insulated wrenches. (Personally, I believe insulated tools tend to create a false sense of security) The batteries themselves are the source of the hazards and they cannot be turned off. |
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A non-lethal, non-permanent lesson learned. :lhmo: If I could bottle all the electricity I've had pass through my body from doing dumb things, I could run my cart a couple miles without batteries. :oops: BTW, is the cat real or photoshop? |
Re: Grounding to frame.
[QUOTE=JohnnieB;610432]Blindness, explosions and acid baths come to mind
:lhmo: :lhmo: :lhmo: |
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Re: Grounding to frame.
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the box you described is your controer. can you see the mfg.s # stamped in a metal plate in the right glove box. last two # are the year model. also, here are some pics to tell what type of cart. with info, we can send you a wiring dia gram.. that one small wire should not go to ground.
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