Electrical wiring question

I am making a work lamp like Adam Savage’s but the power adapter I bought does not have a long enough cord.

Is it ok/safe to splice in wire to lengthen it or is that too dangerous and Inshould try to find one with a longer cord. If it is OK are there any gotchas I should be aware of when doing it.


Or you could just buy a 12V extension cable.


Didn’t know those existed. Thanks! Just bought one.

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