The National Electrical
Manufacturers Association (NEMA) published ANSI/NEMA WC 54/ICEA T-26-465 Guide for Frequency of Sampling Extruded Dielectric Power, Control,
Instrumentation, and Portable Cables for Test.
This guide provides a
combination of plans for the frequencies at which cable samples may be obtained
for tests to determine conformance to the appropriate requirements of Insulated
Cable Engineers Association, Inc. (ICEA) standards publications. Valid
statistical sampling frequencies other than those listed herein are acceptable
if evidence of statistical control can be demonstrated. This guide applies only
to extruded dielectric power, control, instrumentation, and portable cables.
NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Arlington, Virginia. Its member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Worldwide annual sales of NEMA-scope products exceed $120 billion.
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