Reference for Shabbat 93:1
הנח לנר שמן ופתילה הואיל דנעשה בסיס לדבר האסור
leave the lamp, oil, and wicks alone,<span class="x" onmousemove="('comment',' They cannot be compared with others. ');"><sup>1</sup></span> because they become a base for a forbidden thing.<span class="x" onmousemove="('comment',' Sc. the flame. Whilst the lamp is alight everything may be regarded as subsidiary to the flame: R. Simeon admits that such mukzeh is forbidden. ');"><sup>2</sup></span> R. Zera said in R. Assi's name in R. Johananis name in R. Hanina's name in the name of R. Rommanus: Rabbi permitted me to handle a pan with its ashes.<span class="x" onmousemove="('comment',' Used for fumigating. This is the meaning as first supposed. Ashes are mukzeh, and it is assumed that he was permitted to move the ashes on account of the pan, which is a utensil. ');"><sup>3</sup></span>