The Canadian Standards Association (CSA), under
whose auspices this National Standard has been produced,
was chartered in 1919 and accredited by the
Standards Council of Canada to the National Standards
system in 1973. It is a not-for-profit, nonstatu
CSA C17-M84-CAN3-1984 history
1984CSA C17-M84-CAN3-1984 Alternating-Current Electricity Metering General Instruction No 1; First Edition