Summary of Topics b1277_5_20170203_sum.htmlSubject 1277
Bulletin Dated: February 3, 2017
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Electrical Power and Control Tray Cables with Optional Optical-Fiber Members, UL 1277, are being proposed:
1. Simplified References, Revised 3.2, 7.2, 9.3.1, 9.5.1, 12.1.2, 12.2.2, 20.1, and 21.1
2. Durability of Ink Printing Test, Revised 25.1
3. Addition of Requirements for Type MTW, Revised 9.2.1
4. Removal of Obsolete Carbon-Arc Test, Revised 20.1
5. Editorial Correction to the Millimeter Value for Average Thickness of a Jacket in Table 11.2 and Corrections to 29.1(p)
6. Addition of Requirements for Optional 90°C LDFRPE, HDFRPE, and TPU Jackets, Revised Table 12.1
7. Deletion of Footnote a in Table 21.1
8. Addition of Jacket Materials for Heat Shock Test, Revised 22.1 and Table 22.1
9. Addition of Test Method for Pulling-Through-Joist Tests, New Section 25A
10. Markings for Hazardous Locations, Revised 29.1 to Add (t) and (u)
11. Voltage Markings, Revised 29.1(b)(3) and 30.1(b)(4)