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Increased
safety "e":
Type of protection applied to electrical apparatus that does not
produce arcs or sparks in normal service, in which additional
measures are applied so as to give increased security against
the possibility of excessive temperatures and of the occurrence
of arcs and sparks.
NOTES
1 This type of protection is denoted by "e".
2 Apparatus producing arcs or sparks in normal service is
excluded by this definition.
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