Electrical level 3 Mod 1 questions with |\ |\ |\ |\ |\ |\ |\
answers
The purpose of branch circuit load calculations is to determine -
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CORRECT ANSWERS ✔✔The size of branch circuit overcurrent
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protection and branch circuit conductors using NEC
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NEC article 210 - CORRECT ANSWERS ✔✔Covers branch circuits
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( except for branch circuits that supplies only motor loads).
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NEC section 210.18 - CORRECT ANSWERS ✔✔Branch circuits are
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rated by the maximum rating or setting of the over current device
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NEC section 210.19 - CORRECT ANSWERS ✔✔Branch circuit
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conductors are required to be sized with an ampacity rating that is
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no less than the maximum load to be served
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Branch circuit conductors must have an ampacity rating equal to or
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greater than the non continuous load plus - CORRECT ANSWERS
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✔✔125% of the continuous load |\ |\ |\ |\
NEC table 210.24 - CORRECT ANSWERS ✔✔Summarize the
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branch circuit requirements
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, NEC Article 220 - CORRECT ANSWERS ✔✔Includes the
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requirements used to determinable the number of branch circuits |\ |\ |\ |\ |\ |\ |\ |\ |\
required and the requirements used to compute branch circuit
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feeder and service loads
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NEC section 210.20 - CORRECT ANSWERS ✔✔The branch circuit
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rating shall not be less than the noncontinuous load plus 125% of
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continuous load |\
Continuous loads are calculated at - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔125% of the maximum current rating
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Ampacity of branch circuit conductors must be derated when -
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CORRECT ANSWERS ✔✔There are more than 3 conductors,
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temperature exceeds the temperature rating |\ |\ |\ |\
NEC table 310.16 - CORRECT ANSWERS ✔✔Lists allowable
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ampacities for insulated conductors rated 0 to 2,000
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If the number of current carrying conductors in the conduit or cable
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exceeds three it must be - CORRECT ANSWERS ✔✔derated
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answers
The purpose of branch circuit load calculations is to determine -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔The size of branch circuit overcurrent
|\ |\ |\ |\ |\ |\ |\ |\
protection and branch circuit conductors using NEC
|\ |\ |\ |\ |\ |\
NEC article 210 - CORRECT ANSWERS ✔✔Covers branch circuits
|\ |\ |\ |\ |\ |\ |\ |\ |\
( except for branch circuits that supplies only motor loads).
|\ |\ |\ |\ |\ |\ |\ |\ |\
NEC section 210.18 - CORRECT ANSWERS ✔✔Branch circuits are
|\ |\ |\ |\ |\ |\ |\ |\ |\
rated by the maximum rating or setting of the over current device
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
NEC section 210.19 - CORRECT ANSWERS ✔✔Branch circuit
|\ |\ |\ |\ |\ |\ |\ |\
conductors are required to be sized with an ampacity rating that is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
no less than the maximum load to be served
|\ |\ |\ |\ |\ |\ |\ |\
Branch circuit conductors must have an ampacity rating equal to or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
greater than the non continuous load plus - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔125% of the continuous load |\ |\ |\ |\
NEC table 210.24 - CORRECT ANSWERS ✔✔Summarize the
|\ |\ |\ |\ |\ |\ |\ |\
branch circuit requirements
|\ |\
, NEC Article 220 - CORRECT ANSWERS ✔✔Includes the
|\ |\ |\ |\ |\ |\ |\ |\
requirements used to determinable the number of branch circuits |\ |\ |\ |\ |\ |\ |\ |\ |\
required and the requirements used to compute branch circuit
|\ |\ |\ |\ |\ |\ |\ |\ |\
feeder and service loads
|\ |\ |\
NEC section 210.20 - CORRECT ANSWERS ✔✔The branch circuit
|\ |\ |\ |\ |\ |\ |\ |\ |\
rating shall not be less than the noncontinuous load plus 125% of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
continuous load |\
Continuous loads are calculated at - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\
✔✔125% of the maximum current rating
|\ |\ |\ |\ |\
Ampacity of branch circuit conductors must be derated when -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔There are more than 3 conductors,
|\ |\ |\ |\ |\ |\ |\ |\
temperature exceeds the temperature rating |\ |\ |\ |\
NEC table 310.16 - CORRECT ANSWERS ✔✔Lists allowable
|\ |\ |\ |\ |\ |\ |\ |\
ampacities for insulated conductors rated 0 to 2,000
|\ |\ |\ |\ |\ |\ |\
If the number of current carrying conductors in the conduit or cable
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
exceeds three it must be - CORRECT ANSWERS ✔✔derated
|\ |\ |\ |\ |\ |\ |\ |\ |\
