From: [email protected] Subject: Re: RATED VOLTAGE UL1950 Hello Group,
Just to add my two cents... Let us not forget Clause 2.2.7.2 which (as I understand it) indicates that for Clearences for Primary Circuits (Table 3); ELV, SELV, and TNV circuits are considered to have 0 volts. This clause seems to indicate that while determining the working voltage between Primary Circuits and the other circuits listed in the clause, only the working voltage of the mains is used to determine Clearences for Primary Circuits. I suppose that this is not news to anyone, but I thought that I would throw it into the fray... Kaan L. Gregersen Regulatory Engineer 3Com
