Drawing

Order number of pieces required, in multiples of Standard Package Quantity.
K.16
Cable/ConduitBeam/PurlinHangers/Hanging
Systems
Stud WallCommunication/
Low Voltage
Dry WallAcousticalMiscellaneousIndex
Sizing Information
Reference
Codes & Standards
Reference
J-Pro
TM
Cable Support System –
Frequently Asked Questions
Question:
What references de ne how and where J-hooks are used?
Answer:
J-hooks are a horizontal pathway promoted in the BICSI
®
TDM
manual as a means to route cable bundles (see catalog pages
K.14 – K.15). Furthermore, the TIA-569-C standard promotes
non-continuous supports as a means to route cable bundles as well
(see catalog page K.13). According to Underwriters Laboratories Inc.
(UL), the portion of the NEC
®
that de nes the requirements of this
cabling pathway is found in Section 300.22 of the NEC (see catalog
pages K.2 – K.4).
Question:
What is the difference between plenum space and air
handling space?
Answer:
The industry-wide confusion regarding the de nition of a plenum
space verses an air handling space is very common as the area
above a drop ceiling is mistakenly referred to as a plenum.
Simply stated, the NEC de nes a plenum area as, “a compartment
or chamber to which one or more air ducts are connected and
that forms part of the air distribution system.” They also reference,
“the space over a hung ceiling used for environmental air-handling
purposes,” and, “areas beneath raised  oors for information
technology equipment,” as air handling space (NEC pg. 70-144 and
70-145; see catalog pages K.2 – K.4). Often, the NEC de nition of
these terms differs from their common use in the industry – however,
UL is compatible with the NEC terms and de nitions. Therefore,
the space above a hung (or drop/suspended) ceiling utilized as an
air return to the HVAC unit is considered an air handling space.
Additionally, the area below a raised  oor used to supply conditioned
air is also considered an air handling space.
Question:
Is the J-Pro
TM
Cable Support System approved by UL for use in
air handling spaces in the United States?
Answer:
Yes, during the development of the J-Pro
TM
Cable Support System,
Panduit coordinated testing and evaluation with UL for approval of
the following statement on all the J-Pro
TM
Cable Support System
products to reduce confusion in the market: “Suitable for use in air
handling spaces in accordance with Section 300.22 (C) and (D) of
the NEC….” This statement is engraved and is visible on the side
or bottom of each part. According to this phrase, the J-Pro
TM
Cable