Drawing

For service and technical support, call 866-405-6654 or visit www.panduit.com.
K.7
Cable/Conduit Beam/Purlin Hangers/Hanging
Systems
Stud Wall Communication/
Low Voltage
Dry Wall Acoustical Miscellaneous Index
Sizing Information
Reference
Codes & Standards
Reference
 ttings designed for the support of luminaires and lampholders,
and installed as required by 314.23, shall be permitted to support a
luminaire or lampholder.
(2) Ceiling Outlets. At every outlet used exclusively for lighting,
the box shall be designed or installed so that a luminaire or
lampholder may be attached. Boxes shall be required to support
a luminaire weighing a minimum of 23 kg (50 lbs.). A luminaire that
weighs more than 23 kg (50 lbs.) shall be supported independently
of the outlet box, unless the outlet box is listed and marked for the
maximum weight to be supported.
320.2 De nition.
Armored Cable, Type AC.
A fabricated assembly of insulated conductors in a  exible
interlocked metallic armor. See 320.100.
320.17 Through or Parallel to Framing Members. Type AC cable
shall be protected in accordance with 300.4 (A), (C), and (D) where
installed through or parallel to framing members.
320.30 Securing and Supporting.
(A) General. Type AC cable shall be supported and secured by
staples, cable ties, straps, hangers, or similar  ttings, designed and
installed so as not to damage the cable.
(B) Securing. Unless otherwise permitted, Type AC cable shall be
secured within 300mm (12 in.) of every outlet box, junction box,
cabinet, or  tting and at intervals not exceeding 1.4m (4 1⁄2 ft.) where
installed on or across framing members.
(C) Supporting. Unless otherwise permitted, Type AC cable shall be
supported at intervals not exceeding 1.4m (4 1⁄2 ft.).
Horizontal runs of Type AC cable installed in wooden or metal
framing members or similar supporting means shall be considered
supported where such support does not exceed 1.4m (4 1⁄2 ft.)
intervals.
330.2 De nition.
Metal Clad Cable, Type MC. A factory assembly of one or more
insulated circuit conductors with or without optical  ber members
enclosed in an armor of interlocking metal tape, or a smooth or
corrugated metallic sheath.
330.17 Through or Parallel to Framing Members.
Type MC cable shall be protected in accordance with 300.4 (A),
(C), and (D) where installed through or parallel to framing members.
330.30 Securing and Supporting.
(A) General. Type MC cable shall be supported and secured by
staples, cable ties, straps, hangers, or similar  ttings or other
approved means designed and installed so as not to damage
the cable.
(B) Securing. Unless otherwise provided, cables shall be secured
NFPA 70; National Electric Code; 2011 Revision
(continued)