From: Tendulkar, Vijay (SISC) [mailto: vijay.tendulkar@onyxpower.com]

Sent: Thursday, December 22, 2011 7:28 PM

To: 'Richard Parker (richardparkerdc@gmail.com)'

Cc: Timothy Ballo; Freeman, Jeremiah (CONTR); 'ric k.anderson@faypwc.com'; 'ScottB@LVMetals.com';

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Subject: LVDT Working Group on Data Center Transformers

Dear Mr. Parker,

Pursuant to the discussions in our webconference dated

December20, 2011, and with reference to the comments made in the conference and the

comments communicated by E-mail, the following mi nor changes have been made to the Data

Center Transformer document.

1) The clause 2 (d) was “ the source voltage shall not be less than 5% of the

rated voltage of the winding energized; and “

The revised wording now reads “ the source voltage shall not be less than 95% of

the rated voltage of the winding energized; and”

The revised wording is correct wording and removes any ambi guity in the intent of the

requirement. Revised wording does no t relax qualification requirements.

2) The clause 3 (e) the additional requirement was “an electrostatic shie ld; or “

This clause is now removed.This revision makes the qualification requirement more stringent.

I trust this document is now to be considered to be Final Document

and to be closed for further discussions and revisions.

Wish you all happy holidays and

happy, peaceful and bright New Year 2012.

With Kind Regards,

V. B. Tendulkar

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