Subject 879

Bulletin Dated: April 25, 2007

SUMMARY OF TOPICS

The following changes in requirements are being proposed:

1. For Preliminary Review Only: Open Holes in Transformer Enclosures

2. For Preliminary Review Only: Addition of GTO 5, 10, 15 into Retention Testing Requirements

3. For Preliminary Review Only: Neon Electrode Enclosure Length Requirement Clarification

4. For Preliminary Review Only: Retention Test Requirement

5. For Preliminary Review Only: Retention Test Between GTO Cable with Integral Sleeve & Neon Electrode Enclosure

6. For Preliminary Review Only: Deletion of Obsolete Wire Types

7. For Preliminary Review Only: Editorial Corrections