When installing outlet boxes designed for the support of luminaires, what are the specifics when the luminaire weighs more than 50 lb?
- The luminaire shall be supported independently of the outlet box.
- The outlet box shall be listed for the application and marked for the maximum weight permitted.
- Both (a) and (b) are permitted
- No fewer than four No. 8 screws may be used to support any luminaire.
Answer: C
According to 314.27(B), you have two choices when faced with this situation.
- The luminaire shall be supported independently of the outlet box, or
- The outlet box shall be listed for the application and marked for the maximum weight permitted.