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Correct test voltage for 5KV cable?

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  1. lfmontoyas's Avatar
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    Correct test voltage for 5KV cable?

    Codes and Standards
    34. In accordance with NETA and IEEE standards the correct maintenance test voltage (dc) for 5KV rated EPR 133% insulation level cable is?
    Your Answer: 14kV
    Correct Answer: 11kV
    Help: NETA-MTS 2015 TABLE 100.6.1


    Is this correct as per NETA/ATS 2017. The way I am reading the standard it should be 36kV dc. Is this correct?.

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    Quote Originally Posted by lfmontoyas View Post
    Codes and Standards
    34. In accordance with NETA and IEEE standards the correct maintenance test voltage (dc) for 5KV rated EPR 133% insulation level cable is?
    Your Answer: 14kV
    Correct Answer: 11kV
    Help: NETA-MTS 2015 TABLE 100.6.1


    Is this correct as per NETA/ATS 2017. The way I am reading the standard it should be 36kV dc. Is this correct?.
    The question is looking to a maintenance voltage not acceptance.

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    lfmontoyas is offline Junior Member Pro Subscriber
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    Quote Originally Posted by Steviep View Post
    The question is looking to a maintenance voltage not acceptance.
    I am looking at NETA ATS-2017 table 100.6.1 and it says that for 5kV rated cable the maximum DC field Test Voltage During/After Installation for 133% Insulation Level is 36kV. I am trying to understand where the 11kV answer comes from. Any idea?.

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    Quote Originally Posted by lfmontoyas View Post
    I am looking at NETA ATS-2017 table 100.6.1 and it says that for 5kV rated cable the maximum DC field Test Voltage During/After Installation for 133% Insulation Level is 36kV. I am trying to understand where the 11kV answer comes from. Any idea?.
    You need to look at the NETA MTS table 100.6 which is the maintenance standards. The ATS is acceptance testing which will be a higher value to ensure reliability.

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    Quote Originally Posted by Steviep View Post
    You need to look at the NETA MTS table 100.6 which is the maintenance standards. The ATS is acceptance testing which will be a higher value to ensure reliability.
    Very Thankful. Are you memorizing all these values?. I am not sure what values to memorize?.

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    Quote Originally Posted by lfmontoyas View Post
    Very Thankful. Are you memorizing all these values?. I am not sure what values to memorize?.
    Im like a walking code book idk what it is but yea Ive got a lot of these number memorized even before i started studying for my NETA exams. I take my 3 on Monday. Best of luck!

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    NETA MTS 2015 Table 100.6.1

    Quote Originally Posted by lfmontoyas View Post
    Very Thankful. Are you memorizing all these values?. I am not sure what values to memorize?.
    Here is the table from 2015 MTS...

    Click image for larger version. 

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    Quote Originally Posted by lfmontoyas View Post
    I am looking at NETA ATS-2017 table 100.6.1 and it says that for 5kV rated cable the maximum DC field Test Voltage During/After Installation for 133% Insulation Level is 36kV. I am trying to understand where the 11kV answer comes from. Any idea?.
    The year matters.

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    Funny thing is in the field I never do dc for service age cable anymore, everything is vlf. It will still be on the test though.

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