Chapter 4 Residential Electrical – electrical systems concepts, wiring methods, and revision
material
12 IN - correct answer ✔✔Distance between box and first strap or staple shall not exceed
4 1/2 Ft - correct answer ✔✔Max distance between straps or staples
NEC 334.30 - correct answer ✔✔It is code violation to staple flat NM on edge
Ampacity - correct answer ✔✔The maximum current, in amperes, that a conductor can carry
continuously under the conditions of use with out exceeding it's temperature rating
Amperes values - correct answer ✔✔Conductors cross sectional area, whether conductor is
copper/ aluminum, type of insulation around conductor
NEC 210.3 - correct answer ✔✔The branch circuit must be rated 15,20,30,40 or 50 amperes
when serving two or more outlets.
Any size load - correct answer ✔✔An individual branch circuit may supply ?
80% - correct answer ✔✔The rating of any one cord and plug connected is not permitted to
exceed_____Of the branch circuit rating.
50% - correct answer ✔✔Utilization equipment fastened in place, other then luminaries, is not
permitted to exceed ___
Of the branch rating.
material
12 IN - correct answer ✔✔Distance between box and first strap or staple shall not exceed
4 1/2 Ft - correct answer ✔✔Max distance between straps or staples
NEC 334.30 - correct answer ✔✔It is code violation to staple flat NM on edge
Ampacity - correct answer ✔✔The maximum current, in amperes, that a conductor can carry
continuously under the conditions of use with out exceeding it's temperature rating
Amperes values - correct answer ✔✔Conductors cross sectional area, whether conductor is
copper/ aluminum, type of insulation around conductor
NEC 210.3 - correct answer ✔✔The branch circuit must be rated 15,20,30,40 or 50 amperes
when serving two or more outlets.
Any size load - correct answer ✔✔An individual branch circuit may supply ?
80% - correct answer ✔✔The rating of any one cord and plug connected is not permitted to
exceed_____Of the branch circuit rating.
50% - correct answer ✔✔Utilization equipment fastened in place, other then luminaries, is not
permitted to exceed ___
Of the branch rating.
