Splicing of electrical cable- answer to some basic confusion.

splicing
splicing

At first the term Splicing should be cleared, as it is much confusing in case of electrical concept.

In simple words Splicing is the making joint of two piece of electrical wires. Splicing can not be avoided as the insulation breaking of wires is likely to happen.

How to do proper & safe Splicing of electrical cable

Cut the cable with proper cable cutter for splice joint
Cut the cable with proper cable cutter.
Make open conductor both same size for splicing
Make open conductor both same size
splicing how to
Use Soldering
splicing joint- the proper way
Perfect splicing of electrical cable
Use heat shrink termination  after covering the splice join-if required
Use heat shrink termination after covering the Splicing of electrical cable joint-if required

So Splicing of electrical cable is not prohibited but it must be done in proper way.

As per international electrical standard NFPA-70 (national fire protection association)for splicing there are several codes are directly stated as follows-

NFPA-70 / 110.14 Electrical Connections (B) page 61 – about Splicing of electrical cable

(B) Splices. Conductors shall be spliced or joined with splicing devices identified for the use or by brazing, welding, or soldering with a fusible metal or alloy. Soldered splices shall first be spliced or joined so as to be mechanically and electrically secure without solder and then be soldered. All splices and joints and the free ends of conductors shall be covered with an insulation equivalent to that of the conductors or with an insulating device identified for the purpose. Wire connectors or splicing means installed on conductors for direct burial shall be listed for such use.

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