Numeric Component - first digit identifies the type of penetrant,
next three are sequential system numbering
3. C-AJ-4083
Cable trays with electrical cables
4. C-AJ-4083
Individual System Number
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
■ ■
0000-0999 = No Penetrant
1000-1999 = Metallic pipe, conduit or tubing
2000-2999 = Nonmetallic pipe, conduit or tubing
3000-3999 = Electrical cables
4000-4999 = Cable trays with electrical cables
5000-5999 = Insulated pipes
6000-6999 = Busways
7000-7999 = HVAC ducts
8000-8999 = Mixed multiple penetrations
9000-9999 = Reserved for future use
By following the below-mentioned steps, any firestop system
can be easily identified.
Step 1: Log in to www.ul.com
Step 2: Type “Product iQ” in the search box.
Step 3 : Click on the first link
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