NET

15 If someone’s work is burned up, he will suffer loss. He himself will be saved, but only as through fire.

Darby

15 If the work of any one shall be consumed, he shall suffer loss, but *he* shall be saved, but so as through [the] fire^D8236.

Darby Bible Notes

fire - The addition of the article gives the right sense. 'saved by fire' may mean that the fire was a means of safety, whereas 'through the fire' is in spite of it, or going through the danger and difficulty of it. Dia has two distinct uses as 'through' in English. see 1Pet. 3.20 for the other sense.

KJV

15 If any man's work shall be burned, he shall suffer loss: but he himself shall be saved; yet so as by fire.

Strong's

15 If any man's^G1536 work^G2041 shall be burned^G2618, he shall suffer loss^G2210: but^G1161 he himself^G846 shall be saved^G4982; yet^G1161 so^G3779 as^G5613 by^G1223 fire^G4442.