<P> AFCI breakers have been required for circuits feeding electrical outlets in residential bedrooms by the electrical codes of Canada and the United States since the beginning of the 21st century ; the U.S. National Electrical Code has required them to protect most residential outlets since 2014 , and the Canadian Electrical Code has since 2015 . In parts of the world using 230 V , where the higher voltage implies lower currents , specifically Western Europe and the UK , adoption is slower , and their use is optional , except in high risk cases . </P>
<P> AFCI breakers have been required for circuits feeding electrical outlets in residential bedrooms by the electrical codes of Canada and the United States since the beginning of the 21st century ; the U.S. National Electrical Code has required them to protect most residential outlets since 2014 , and the Canadian Electrical Code has since 2015 . In parts of the world using 230 V , where the higher voltage implies lower currents , specifically Western Europe and the UK , adoption is slower , and their use is optional , except in high risk cases . </P>
when did the nec first introduce afci protection to the code
when did the nec first introduce afci protection to the code
2014
2014