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Electrical
Systems
Manufacturer Requirements
FEDERAL LAW
183.425 - Conductors: General
(a) Each conductor must be insulated,
stranded copper. |
Each conductor must be insulated with an insulation
compound meeting:
- Sec. 183.430,
if less than 50 volts, or
- Sec. 183.435,
if 50 volts or more.
The conductor must be stranded to resist failure
due to vibration and flexing. Copper is specified for the
best combination of conductivity and corrosion resistance.
TO COMPLY WITH
THE LAW
- The conductor insulation material conforms
to either 183.430 or 183.435
depending on the voltage application (less than 50
volts, or 50 volts or more).
- The construction is of stranded
copper (note permitted exceptions in 183.425(g)).
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FIGURE
18 - Insulated Stranded Copper Conductor
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