NFPA70 Study Guide 2024 Questions and Answers Latest (2024 / 2025) (Verified Answers by Expert)
1 view 0 purchase
Course
NFPA 70
Institution
NFPA 70
NFPA70 Study Guide 2024 Questions and Answers Latest (2024 / 2025) (Verified Answers by Expert) What is an Arc Flash?
ANS A short circuit that jumps through the air from oneexposed conductor to another.
2. What makes an Ar Flash dangerous?
ANS Temperatures of up to 35k' F, shrapnel,molten metal,...
NFPA70 Study Guide.pdf file:///C:/Users/HP/Desktop/New%20Conver/NFPA70%20Study%20G
NFPA70 Study Guide
1. What is an Arc Flash?
ANS A short circuit that jumps through the air from oneexposed conductor to another.
2. What makes an Ar Flash dangerous?
ANS Temperatures of up to 35k' F, shrapnel,molten metal, chocks, shockwave (2k lbs/foot^2),
soud (140 dB), burn injuries.
3. Hazard/Risk Category 1 contains PPE requirements. What are they?
ANS hard-hat, safety glasses, hearing protection, heavy duty leather gloves, leather work
shoes.
4. What proper electrical PPE protect you from?
ANS burns, electrical shock andsmall shrapnel.
1/3
1 of 11 9/18/2024, 11:05
,NFPA70 Study Guide.pdf file:///C:/Users/HP/Desktop/New%20Conver/NFPA70%20Study%20G
5. What is PPE?
ANS Personal Protective Equipment
6. If you are qualified to work on low-voltage equipment, what is the cut-offpoint
where you are not allowed to perform electrical tasks at higher volt- ages?
ANS 50 - 600V
7. What is the most important part of creating an electrically safe work condi-tion
ANS Test for Voltage
8. Once an electrically safe work condition is created, shock and arc flashprotection
are no longer necessary. (T/F)
ANS True
9. The Arc Flash Protection Boundary is the distance from an arc source wherean
unprotected worker will receive first-degree burns. (T/F).
ANS False
2/3
2 of 11 9/18/2024, 11:05
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NurseFerian. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
