>As a general rule, products powered from a (NEC, CEC) >Class 2, (IEC) SELV, or battery power source need >not be certified for safety. The general rule (e.g., >NEC, LVD, et al) exempts products operating at ELV, >e.g., 50 volts or less.
Just a comment: one notable exception is patient-connected medical equipment. >Regarding batteries... yes, most batteries exceed the >"limited power" criteria in IEC 950. Most batteries >should be fused. Quite right! I have personal experience with a small camera flash unit that caught fire; powered by four AA batteries. Frankly, I wouldn't have believed it a priori. Egon Varju Vancouver, Canada --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
