SCC-18 Meeting

NEC ROC Code Panel 3 Report

Dave Mills & Mel Sanders

January 3, 2007

CMP-03 ROC Meeting Recap

• 174 Comments + 1 Panel Comment• 60 Accept

• 77 Reject

• 4 Accept in Part

• 33 Accept in Principle

• 1 Accept in Principle in Part

Proposed CMP-03 Action

• Vote affirmative and support all CMP-03 ROC Panel Actions

Items of IEEE Interest

• Abandoned Cable Removal– New 725.25 and 760.25 requires removal of

accessible abandoned cables– Does not require construction or renovation to

facilitate removal– Results of a Task Group development

• NEC Section 725.25 & 760.25• Comment 3-111• Proposals 3-140, 3-146, 3-148, 3-158, 3-217, 3-

219, & 3-238

Items of IEEE Interest

• Use of Wire Ties for support of control and fire alarm cables was accepted

• NEC Section 725.8 & 760.8• Comment 3-101, 3-102, 3-107, 3-145, 3-146• Proposal 3-155 & 3-225

Items of IEEE Interest

• Underground direct burial cables for industrial establishments will have an exception that allows reduction of buried depths via concrete pad in the trench above the cable

• Rejected addition of “industrial” institutions

• NEC Section Table 300.50• Comment 3-77• Proposal 3-105

Items of IEEE Interest

• CMP-03 Panel Comment– Defined interior of underground enclosures or

raceways as wet locations– Cables installed in these raceways or

enclosures must be listed for wet locations

• NEC Section 300.5(B)• Comment Panel Comment 3-300• Proposal 3-42