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by Mythic (1.5k points)

I need to connect some high-current wires using terminals and I’m worried about safety. What precautions should I take?

1 Answer

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by Epic (640 points)
Yes, there are definitely some important safety concerns to be aware of when using high-current terminals or any high-power electrical equipment:

The biggest risk is the potential for electrical shocks, burns, or even arc flashes if the terminals are mishandled or connections are faulty. High currents can be extremely dangerous!

Proper insulation and protective gear like rubber gloves and eye protection are an absolute must. Don't ever work on live high-current circuits unless you know exactly what you're doing.

Overheating is another major hazard with high currents flowing. Terminals and cables not rated for those amperages can overheat rapidly and potentially cause fires or melt insulation.

Make sure all terminals, lugs, and cable sizes are properly rated for the maximum current loads they'll be carrying. Using undersized components is just asking for trouble.

You also need to take precautions against arc flashes when breaking high-current connections under load. The intense heat and explosive force of an arc can be devastating if precautions aren't taken.

Follow proper lock-out/tag-out procedures, use insulated tools, and consider installing arc-resistant switchgear in extreme cases.

Basically, don't take chances with high-power setups. Get trained on proper safety protocols, use all required PPE, and make sure everything is properly rated and installed. A little respect for those high currents goes a long way!
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