LED lights are now being used practically around the globe. Their varied uses include lights on streets, to lights in houses, industries, vehicles and more. The word LED is an acronym for Light Emitting Diode. This diode exists in solid state and works just like a little bulb.

LED lights may be made of one or more of such bulbs. This is the reason LED bulbs last a lot longer than any conventional bulbs. Not just do these lights last longer, they also don't use up much power.

LED lights do have a drawback. Although they can be used for lots of purposes, as of now, majority of LEDs available in the market are for lights that receive supply under 12 Volts. This is the reason the 12 volt LED lights deserve a special mention.

12 Volt LED lighting is powerful lighting. The commonest application of such a lighting is in auto. Identifying the number of LEDs can be linked to the 12 Volt supply could be very tough. LEDs are sold in packages that mention relevant specs.

The information related to the 12 Volt LED lighting is the operating current, as well as forward voltage. The number of LED bulbs can be connected in a series to the 12 volts supply is calculated by dividing 12 volts by the operating current stated on the package.

There is another way for connecting 12 Volt LED lights is to determine the resistance. For this, the forward voltage stated on the LED's package is deducted from 12 volts. The remainder when divided by the operating current stated on LED's package gives the necessary resistance in ohms for connecting the LEDs. According to this information the specific resistors could be used. Using a slightly greater resistor would be a more secured option than using a a bit lower resistor.

Polarity is another crucial factor while wiring LEDs. Negative legs and Positive legs of LEDs might be of different lengths. LED's package will indicate the polarity. The resistor needs to be wired in series on the positive leg to the LEDs.

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