Doug,

Voltage         CTI

600 V and greater       0
400 through 599 1
250 through 399 2
175 through 249 3
100 through 174 4
Less than 100           5

Best Regards,

Jody Leber
Laboratory Manager

jle...@ustech-lab.com
http://www.ustech-lab.com

U. S. Technologies
3505 Francis Circle
Alpharetta, GA 30004

770.740.0717
Fax:  770.740.1508


-----Original Message-----
From:   Massey, Doug C. [SMTP:masse...@ems-t.com]
Sent:   Thursday, April 19, 2001 1:23 PM
To:     'IEEE Forum'
Subject:        CTI


Hello Group -

In the UL IQ for Plastics database, the CTI values are given as a single
digit number, 0 thru 5. I know that the scale correlates to 100 V thru 600
V, but I forget which way it goes. Does CTI of 5 = 600 V, or is it the other
way around? Is this scale given in UL746A or IEC 60112 ?

Thanks in advance.

Doug Massey
Safety Approvals Engineer
LXE, Inc.
Norcross, GA., USA


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  • CTI Massey, Doug C.
    • RE: CTI Jody Leber
    • RE: CTI Constantin Bolintineanu

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