how to use car lighter to light cigarette
Cigarette lighter receptacle The lighter is a metal or plastic cylinder containing a thin flat coil of nichrome metal strip, through which high current (~10 amperes) passes when the device is activated, usually by pushing it into the socket as though it were a push-button. When pushed in, the lighter is held against the force of a spring by a clip attached to a bi-metallic strip.[4] The heating element glows orange hot in seconds, causing the bi-metallic strip to bend and release the mechanism, and the handle pops out, eliminating the need for the smoker to time the heating operation. If the lighter is then promptly removed from its socket, it can light a cigarette, cigar, or tinder.
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Cigarette pack In the United States, the quantity of cigarettes in a pack must be at least 20. Certain brands, such as Export As, come in packs of 25. For many years, half-packs of 10 (or even 14) cigarettes were commonly available.
Cigarette lighter receptacle The sockets and mating plugs are defined in the ANSI/SAE J563[7] specification. For the 12 volt systems, the "contact point", which is the center part of the plug when viewed end-on, carries the positive voltage, whereas the "can" part, which is the outer part of the connector, carries the negative voltage (which is the "ground" connection for most automobiles, which have a negative ground electrical system).