Shock hazards Flashcards

1
Q

How is a shock hazard created?

A

When a current-carrying conductor contacts a metal chasis that doesn’t have a grounding conductor, the metal chasis will heat up

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2
Q

What happens when someone touches a shock hazard?

A

Their body becomes grounding path for the current; shock

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3
Q

How do you remove shock hazards?

A

By connecting a metal chasis to grounding conductor to earth ground

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4
Q

How does the ground remove shocks?

A

Ground wire provides path to ground with less resistance than the path through a person’s body
(ensuring most of current goes through equipment ground)

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5
Q

How small does a shock have to be to be fatal?

A

A current as small as 100 mA (.1 a)

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