Nov 19, 2025 Leave a message

What’s the allowed mesh spec of soldered splice in IPC?

Note: Using splices to repair broken or damaged conductors are not permitted for Classes 2 and 3 without end-user concurrence prior to the repair.

 

Acceptable - Class 1,2,3

• Interlocking of conductive strands into a smooth joined section for a minimum of three but not more than five wire diameters.

• Insulation covers splice and overlaps wire insulation a minimum of one wire diameter.

• No conductive strands piercing the insulation

info-470-252

Process Indicator - Class 2,3

• Wire bulges the insulation but does not pierce it.

info-462-145

Defect - Class 1,2,3

• There are sharp points or projections.

• Conductive strands pierce the insulation.

• Wire splice area is exposed.

• Insulation does not overlap wire splice area for a minimum of one wire diameter.

info-463-316

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