2.2. this case the important thing is
to consult with the respective certification authority.
Additional markings for properties such oil, water,
UV and chemical resistance identifiers shall permitted
where compliance with applicable standards for
intended use.349
N
In 1897 the first edition the National Electrical Code (NEC),
also referred NFPA 70, was published. Minimum insu-
lation thickness for conductors that are part multi
conductor jacketed AWM cable shall specified
by the AWM Style number and the marked voltage
rating the cable. edition 2007 was completely
eliminated. The inspector can
mandate the provisional stoppage the machine there are
doubts relative the machine's conformity with standards.g. Where markings alone are insufficient
to identify for the intended application, suitable infor-
mation shall included with the technical machine
documentation.e.9.9. Listing) could apply.
SUMMARY
• Machines and equipment that already certified (e.” Allows AWM cables, they have been used as
part listed system, and were suitable for the intended appli-
cation.9. deals with fire triggered electricity.4.2.2 12.3
12.2.6 with modifications folIows:
(1) Stranded conductors with wire sizes smaller than
those listed 12. For example, cables for use energy drag
chains those with superstructures.
This standard cites basic requirements imposed the electrical
equipment machines and devices.9. Article 12. the 2012 edition appeared in
2011. This can occur either through the individual
acceptance piece equipment prior commissioning
(e.
However there are applications for which previously there were
no NFPA cables.1 Other listed cables and conductors shall permitted
where identified suitable for the identified use
12.4.1 have flame resistant properties
in compliance with applicable standards for intended
use such FT2 (horizontal wire) flame test VW-1
(Vertical Wire) flame test ANSI/UL 1581-2001,
Reference Standard for Electrical Wires, Cables and
Flexible Cords. before, unrestricted use is
not permitted.2 shall have minimum strands.1 through 12.3 "When part listed
assembly suitable for the intended application, type AWM shall
be permissible.7. Manufacturers and owners
of machines and equipment must comply with this standard, for
example, meet product liability and insurance requirements.
.7.4.2. +49 7150 -0. Rather the responsibility for the implementation is
now placed the manufacturer the erector the
equipment. article 670 "Industrial Machinery", the NEC refers to
NFPA code no.
(4) AWM shall marked accordance with 12.2.3. Germany) through test institute recognized the
USA. The final decision concerning commissioning made on
site through local inspector, who may not necessarily a
specialist the area electronic equipment. is
updated every three years, i.
NFPA EDITION 2012
Challenges and solutions
THE COMPLETE ORIGINAL WORDING
12.4.
(2) Conductor insulation and cable jacket materials
not specified 12.2 Appliance Wiring Material (AWM) shall permitted
under 12. through
UL) may continue repaired, modified, extended in
accordance with the previous rules.4.2),
wire gauge(s), temperature rating and flame resistance.
NFPA 79: 2007 chapter 12. The legend shall include manu-
facturer‘s name trademark, AWM style number,
voltage rating (unless marking prohibited 12.1 Where part assembly that has been identified
for intended use
12. The certification
will recognized. Our technical dept.2.3 Where its construction meets all applicable requirements
of sections 12.2. All recommendations have been summarized the
new article 12.
• For new machines and equipment without certification, in
some areas higher requirements imposed certain cables
(e.9.9. result,
in NFPA 79: Edition 2012, use AWM cables under certain
conditions was again approved.g.9.
Machines placed service the USA are always subject an
approval obligation.3 and 12.2 Where specified for use with approved equipment
and used accordance with the equipment manu-
facturers instructions.g.
In many cases, HELUKABEL recommends the use UL-listed
lines, before.
(3) Minimum insulation thickness for single conductor
AWM shall specified 12.9 Special Cables and Conductors
12.3. would pleased provide
additional information tel. The NEC the only
code for electrical installations that recognized the national
level the USA.1,
12. The NFPA reacted
accordingly and called committee experts.
12. There were objections and
protests from the industry this regard.9. (Electrical Standard for Industrial Machinery).2.
• New certified machines and equipment may continue be
built accordance with the previous rules
