Equipment & SystemsQuestion 351 of 521
Which recessed luminaire may be installed in direct contact with thermal insulation?
a.Any recessed can may touch insulation
b.A luminaire that is identified and marked as Type IC
c.No recessed luminaire may ever be near insulation
d.Only fluorescent recessed luminaires
Explanation
Section 410.116 permits only recessed luminaires identified and marked Type IC (Insulation Contact) to be installed in direct contact with thermal insulation. Non-IC luminaires must keep insulation at least 3 inches away, regardless of the lamp type used.
Law Reference: 2023 NEC §410.116Practice all 521 questions free — no signup required.
Related questions on this topic
- How must exposed non-current-carrying metal parts of PV module frames and equipment be treated?
- What marking must a generator carry?
- An on-site generator serving as the emergency source must have an on-site fuel supply sufficient for what minimum operating time at full load?
- When may a luminaire be used as a raceway for circuit conductors?
- Where is track lighting not permitted to be installed?
- How must emergency unit equipment (self-contained battery luminaires) be supplied?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California CSLB C-10 Electrical Trade Examination · How we review