# Standard Interpretations
1 - 1926.351, 1926.351(a), 1926.351(b), 1926.351(c), 1926.351(d) - Use of portable arc welding machines in inclement weather.
2 - 1926.351(d)(1) - Interpretation of "unattended" in 29 CFR 1926.351(d)(1) with regard to electrode holders.
3 - 1926.351(d) - Use of portable arc welding machines in inclement weather.
4 - 1926.351(c) - Use of portable arc welding machines in inclement weather.
5 - 1926.351(b) - Use of portable arc welding machines in inclement weather.
6 - 1926.351(a) - Use of portable arc welding machines in inclement weather.
7 - 1926.351, 1926.351(d)(1) - Interpretation of "unattended" in 29 CFR 1926.351(d)(1) with regard to electrode holders.
8 - 1926.351(b)(3) - Whether under 1926.550, a crane may be left unattended with its spreader bar suspended; where in 1926.550 of Subpart N, other than in 1926.550(g), is the use of tag lines referenced; how are "cable lugs" used under 1926.351(b)(3).
9 - 1926.351(b) - Whether under 1926.550, a crane may be left unattended with its spreader bar suspended; where in 1926.550 of Subpart N, other than in 1926.550(g), is the use of tag lines referenced; how are "cable lugs" used under 1926.351(b)(3).
10 - 1926.351(b)(4) - OSHA's General Industry standard requires damaged welding leads to be replaced and not to be repaired.
11 - 1926.351(b)(2) - OSHA's General Industry standard requires damaged welding leads to be replaced and not to be repaired.
12 - 1926.351(c)(6) - Permissibility of attaching welding leads to an occupied aerial lift bucket and using an external lifeline to anchor fall arrest equipment.
13 - 1926.351 - Frame grounding of arc welding machines.
14 - 1926.351 - Propane pre-heaters used to pre-heat steel in field construction.