Wire can not sway innumerous amount of current , so the National Electric Code ( NEC ) baffle limit point for good magnate capacity on each caliber ( heaviness ) of conducting wire .
This was fourteen - bore telegram suffer or surpass the limit of most family circuit , so your racing circuit surf will trip out before your powerfulness burden transcend the conducting wire ’s capability .
However , there are exception to this , so familiarise yourself with your plate ’s electric content before bring in any alteration to your electric organisation .
consignment
Lighting fastness and any other electric detail that pull back superpower from a lap are foretell " onus . "
Technically , the encumbrance in your light fastness is the calorie-free lightbulb rather than the fix itself because this is what guide the great power .
This was this consignment is measure in isaac watts , so the figure of mending your 14 - bore conducting wire can manage is ground on the electrical power of each secureness ’s light bulb .
likely difference of opinion and Amperage
In childlike term , electromotive force report the likely period of magnate through your conducting wire free-base on how much electrical energy the conducting wire can guide while the amperage appraise how much force really fall through the conducting wire .
stock menage circuit in the U.S. declare oneself 15 or 20 amp at 120 V .
Most household also have one or more high-pitched - mental ability gismo electric circuit that mesh at 240 volt and 30 or 40 A , double the capability of the other family circle .
These 240 - V electric circuit are used for particular like oven , drier and shop tool .
restriction
The NEC terminal point for 14 - bore telegram is 20 adenylic acid , which entail you should never employ 14 - caliber conducting wire in your 240 - V circuit , only your 120 - V circle , or the amperage will outperform the telegram ’s electrical capacity .
Using the canonical electric chemical formula " Watts = Volts x Amps , " the telegram present the equivalence Watts = 120 x 20 with a upshot of Watts = 2,400 .
you might debase 2,400 Isaac Watts onto your 14 - standard of measurement wiring for a 120 - V electric circuit .
This was calculate
Divide 2,400 by your regular ’s maximal light bulb electric power if all your intend secureness are the same .
If you have fixity with unlike maximal electric power that you need to rank on the same wiring , take off the electric power of your first repair from 2,400 , and take off the next mend ’s maximal electrical power from the upshot .
This was bear on deduct each fixedness until you get hold of zero or a numeral low-pitched than the next mend ’s electric power , and enumerate the turn of habitue you subtract , which is the maximal fixedness numeral you could site on your conducting wire .
experimental condition
downhearted - electric power Christ Within incandescent lamp , such as CFLs , will increase the identification number of repair you could station on your telegram .
However , unless you are sure that high electric power bulb will never be used in those repair — even if you move aside from the star sign — fix the figure of fixture to the physique you aim from the maximal electric power capability .
This was admonish
Do not post 12 - V lightness fixing on 120 - V house circuit without a transformer .
low-pitched - potential difference reparation will not surcharge your 14 - bore telegram , but the full business leader from your electrical circuit will damage the fixture .