green is ground regardless of ac or dc
There's no such phenomena as negative DC. Minus sign only means, that current is flowing the other way than you are measuring. It's danger is exactly the same as "positive" DC.
clamper
A positive DC voltage is an electric potential where excess electrons will flow from negative to positive.AnswerYou appear to be mixing up potential difference (i.e. voltage) with potential. There is no such thing as a 'positive' voltage if you mean 'positive' in the sense of charge! 'Voltage' means 'potential difference', and you cannot have a positive or negative potential difference in this sense. You can only apply positive and negative in this sense to potentials.However, if you mean 'positive' in the sense of direction, then a positive voltage is one that is acting in the opposite direction to a negative voltage within the same circuit. For example, where two batteries have been connected in opposition.
A sine wave centered at zero will have a positive peak that is the same magnitude as the negative peak. This can be offset so the negative peak magnitude does not match the positive peak magnitude. For example a 1volt peak - neutral sine wave could be DC offset by 1 volt so the positive peak is at 2 volts and the negative peak is at 0.
That depends on the country, and the type of circuit. In the US, on 120 volt circuits, the ground wire is usually a bare, uncolored wire or a green wire that is attached to a green terminal screw. DC circuits have a red positive, black negative, no designated ground. In other places, there are other voltages, other codes, and colors will vary.
If it is DC then red is positive and black is negative.
In a DC circuit Red is positive and Black is negative. In AC systems White is neutral and Ground is green or green-yellow stripe.
Normally Red is the positive connection and Black or Green is negative.
Green= Ground Black = live White = Neutral
LED's are DC voltage. Transformers are AC voltage. There is no positive or negative on AC voltage. You would need a diode to change the AC to DC, then there would be positive and negative voltages.
Red goes to positive post. (red is usually designated as positive hookup always with DC systems. White is considered neutral or negative post with DC systems. (color technically should be black instead of white.)
"What is the International color code for DC wiring?" "What is the International color code for DC wiring?" "What is the International color code for DC wiring?" "What is the International color code for DC wiring?"
AC currents alternate from AC to DC in a constant wave. The DC current is a direct and consistent current demonstrated to the negative reading. AC traveling from negative to positive and DC traveling in negative.
Yes, the electrode holder (stinger) is positive and the ground is negative which means you would be welding DC positive.
There's no such phenomena as negative DC. Minus sign only means, that current is flowing the other way than you are measuring. It's danger is exactly the same as "positive" DC.
If you are referring to using a volt meter then you will just get a negative reading on most modern digital meters. If you are using an old analogue meter you may get no reading.
It travels from negative to positive. The opposite of what you might think.