UL 1950 3rd edition clause 5.4.9 - The test is made as specified in 5.3.2 after the insulation has cooled to room temperature
-----Original Message----- From: [email protected] [mailto:[email protected]] Sent: Thursday, December 16, 1999 2:38 PM To: [email protected]; [email protected] Subject: RE: Electric Strength After Abnormals Peter, I don't know where it's actually spelled out but, I've always checked electric strength immediately following abnormals (blocked vent / rotor). This is when insulation is most likely to degrade or fail. George > -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Thursday, December 16, 1999 10:45 AM > To: [email protected] > Subject: Electric Strength After Abnormals > > > Dear All, > > After an Abnormal Test for UL1950/EN60950, should the Electric Strength be > done a) immediately after the Abnormal Test or b) after Abnormal Tesrt when > unit has cooled down to room temperature c) after Abnormal Test when unit > has cooled down to Normal Heating Temperature Levels. > > The standards are not clear! > > > +++++++++++++++++++++++++++++++++++ > RTTE Directive Seminar > Renaissance Hotel, Tel-Aviv > 12th January 2000. For details: > http://www.itl.co.il/RTTE.htm > +++++++++++++++++++++++++++++++++++ > > > Peter Merguerian > Managing Director > Product Testing Division > I.T.L. (Product Testing) Ltd. > Hacharoshet 26, POB 211 > Or Yehuda 60251, Israel > > Tel: 972-3-5339022 Fax: 972-3-5339019 > e-mail: [email protected] > website: http://www.itl.co.il > > > > > > > --------- > 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). > --------- 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). --------- 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).
