M-500
4.12 Amianthus
Amianthus cannot be used in construction of devices.
4.13 Internal wiring
4.13.1 Internal wiring guide
The internal wiring guide must be smooth and free of
cutting parts.
The wiring cannot have contact with wings barbs of
cooling or similar.
The metallic orifice must be smooth and corners without
tips except if have bushings.
The wiring must not have contact with mobile parts.
4.14 Internal wiring insulation
The internal wiring insilation must resiste at the voltage
experience applied of 2000V, 60Hz during 15 minutes if
have not marking equivalent to IEC227, IEC245, NBR
13249 and NBR 9374.
4.15 Wire heart identification
The supply cord of class 01 devices must have a wire
heart that connect the earthing terminal of the device to
the earthing terminal of the electric net.