Components
Agency 
Mark Agency Requirement Classification/Performance
Wiring Duct 
Types/Products
Underwriters 
Laboratories, Inc. 
File No. E147128
UL 1565 
Material Flame Class V-0 
Continuous-use temperature up to 50°C (122°F)
All wiring duct 
types and covers
UL  1565 
CSA C22.2 
No. 18.5-13
Material Flame Class V-0 
Continuous-use temperature up to 50°C (122°F)
Type H, HS, HN, 
and DRD
Underwriters 
Laboratories, Inc.
UL  508 
section 15
An insulating barrier material shall comply with the minimum material 
properties indicated in Table 15.1
PVC divider walls
UL  508 
sections 34 
and 181
Qualifies as a metal barrier with required thickness as indicated in 
Table 6.1
SD*EMI metal 
barrier
Canadian 
Standards 
Association
File No. 016446
CSA C22.2 
No. 18.5-13
Material Flame Class V-0 
Continuous-use temperature up to 50°C (122°F)
All wiring duct 
types and covers 
(except H, HS, 
and HN) 
European Union
Low Voltage 
Directive 
2006/95/EC
•  CDS (cable ducting system for impact 2 J)
•  Minimum storage, transport, installation, and application 
  temperature: -5°C (23°F)
•  Maximum application temperature: 60°C (140°F)
•  Non-flame propagating
•  Without electrical continuity
•  Cover removable without a tool
H, HS, G, F, D, 
MC, FS, NNC, 
NE, DRD,
and TNC
EN  50085-1 
EN 50085-2-3
European Union EN 45545-2
Type NNC and Type NE: Exterior (R23) - HL1
Type TNC: Interior (R22) - HL2 & Exterior (R23) - HL2
NNC and TNC
DIN German 
Institute for 
Standardization
DIN 43659
•  Specifies dimensions for slotted trunkings used in electrical 
  switch-gear assemblies and that conform to DIN VDE 060 Part 506 
• Channel mounting hole pattern, slot dimensions, pitch, and location 
• Distance from first to last like-size mounting hole 
• Minimum overall product length
MC, NNC, 
and TNC
DIN  5510-2 
DIN 54837
Burning Class: S4 
Smoke Class: SR2 
Dripping Class: ST2
TNC
AFNOR French 
Association of 
Normalization
NF  F  16-101 
NF F 16-102
Type NNC Wiring Duct Classification = F3/I4 
Type TNC Wiring Duct Classification = F1/I4 NNC and TNC
UNIFER Italian 
Railway Standards
EN ISO 11925-2
Pass 30-second flame application
TNC
FRA – Federal 
Railroad 
Administration
49 CFR Part 238
Surface Flammability: < 35 
Smoke Density D
s
 (1.5) < 100
D
s
 (4.0) < 200
TNC
NFPA – National 
Fire Protection 
Association
NFPA130
National Fire
Protection Agency
NFPA 79-2015,
Section  13.3.1 
IEC 60332-1
Non-metallic duct shall be permitted (inside enclosures) only when they 
are made with a flame-retardant material; flame-retardant material is 
defined in the standard by the IEC 60332-1 test method
All wiring duct 
types and covers 
(except FL)
NFPA 79-2015,
Section 13.5.2
Panduit publishes a maximum percentage wire fill for common wire 
types equal to 50% of the interior cross-sectional area of the wiring duct
All wiring duct 
types and covers
NFPA 79-2015,
section 13.1.6.9
Panduit bend radius control accessories can be mounted at right angles 
and T junctions created using wiring duct in order to maintain cable 
bend radius control
Corner strip with 
1" bend radius 
control
European Union
European 
Directive 
2011/65/EU
Meets the requirements on the Restriction of Hazardous Substances 
and is free of the six substances listed in the directive
All wiring duct 
products
Panduit Wiring Duct Approvals and Compliances
©2016 Panduit Corp. 
ALL RIGHTS RESERVED.
WDSG03--SA-ENG
Replaces WDSG02--SA-ENG
3/2016
Contact Customer Service by email: cs@panduit.com
or by phone: 800.777.3300
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