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Electrical
Systems
General
FEDERAL LAW
183.402 - Definitions
As used in this subpart -
(d) Sheath means a material used as a
continuous protective covering, such as electrical tape,
molded rubber, molded plastic, or flexible tubing, around
one or more insulated conductors. |
A “sheath” is a flexible continuous
covering, as distinguished from a “conduit” or
“duct” which are rigid continuous coverings. As
the regulation states, a “sheath” may be a continuous
wrapping of electrical tape, molded or extruded rubber or
plastic, or flexible tubing (sometimes referred to as “spaghetti”).
A “sheath” may be used around one
or a number of conductors, which may or may not be different
gauges. Each of the conductors must be insulated, that is,
the sheath is NOT to take the place of a conductor’s
insulation.
A “sheath” does not have to hold
the conductors tightly bonded together. Individual conductors
are allowed to move in relation to each other within a sheath.
A “sheath” is generally used as a means of grouping
conductors to maintain a neat appearance as the conductors
are run through the boat.
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