Secondary lock

The secondary lock is a housing securing mechanism (second locking mechanism) that secures all wires in a terminal housing. If a secondary lock is installed at a terminal housing, it must always be opened or removed using specified tool before releasing and pulling out individual crimp terminals.

Secondary lock is distinguished by a different color from the rest of the terminal housing. It simplifies recognizing the secondary lock and clarifies its function.

The shapes of the terminal housings depicted here are only a selection which, as an example, should make clear the various functions of the secondary lock.

Example 1: 

Fig 1: Secondary Lock (Comb Type)

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Housing securing mechanism is released by removing a "comb" - arrow  -.

Example 2: 

Fig 2: Secondary Lock (Flap Type)

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Housing securing mechanism is released by opening a "flap" - arrow  -.

Example 3: 

Fig 3: Secondary Lock (Slider Type)

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Housing securing mechanism can be released by disengaging a "slider" - arrow  -.