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Decide which board carries pins and which carries sockets from wear, exposure and service logic, not habit. The pair works as one interface, so specify both halves together. Contents Part 1. What distinguishes a pin header from a socket header? Part 2. Which side of the interface should carry the sockets? Part 3. How do […]

Choose the connection architecture around the service task, not a generic preference for fixed or pluggable hardware. A terminal block can make field wiring direct and inspectable, while a plug-in connector can create a defined disconnect point; both need application-specific verification. Contents Part 1. Start with the serviceable power connection Part 2. Compare the connection […]

Choose a PCB header pitch from the current path, board density and assembly process together, not from the smallest catalogue value. Fix the system constraints first and let the pitch follow them. Contents Part 1. Why is pitch a system decision rather than a catalogue pick? Part 2. How do current and contact size interact […]

Harness labels only help installation and service when their content, placement, material and verification are defined on the controlled drawing. Decide those four elements before production, not on the shop floor. Contents Part 1. What should a harness label communicate? Part 2. Where should labels be placed for installation flow? Part 3. Which label materials […]

A wiring harness and a cable assembly are quoted differently because each construction carries its own drawing, protection and process expectations. Name the construction you actually need before you request prices. Contents Part 1. What separates a wiring harness from a cable assembly? Part 2. Why does the distinction change your RFQ package? Part 3. […]

A male tab terminal is defined by more than its nominal tab width. Use the controlled terminal, mating component, housing, and application requirements before making a sourcing or release decision. Contents Part 1. What does a male tab terminal need to mate correctly? Part 2. Why does tab width change contact selection? Part 3. How […]