Note 1 to paragraph (b)(3)(ii)(A) of this section: A cord connector on an extension cord set is considered to be a receptacle outlet if the cord set is used for temporary electric power.
Note 2 to paragraph (b)(3)(ii)(A) of this section: Cord sets and devices incorporating the required ground-fault circuit-interrupter that are connected to the receptacle closest to the source of power are acceptable forms of protection.
Table S-4-Maximum Cord- and Plug-Connected Load to Receptacle
Circuit rating (amperes) | Receptacle rating (amperes) | Maximum load (amperes) |
15 or 20 | 15 | 12 |
20 | 20 | 16 |
30 | 30 | 24 |
Table S-5-Receptacle Ratings for Various Size Circuits
Circuit rating (amperes) | Receptacle rating (amperes) |
15 | Not over 15. |
20 | 15 or 20. |
30 | 30. |
40 | 40 or 50. |
50 | 50. |
Table S-6-Clearances From Ground
Distance | Installations built before August 13, 2007 | Installations built on or after August 13, 2007 | ||
Maximum voltage | Conditions | Voltage to ground | Conditions | |
3.05 m (10.0 ft) | [LESS THAN]600 V | Above finished grade or sidewalks, or from any platform or projection from which they might be reached. (If these areas are accessible to other than pedestrian traffic, then one of the other conditions applies) | [LESS THAN]150 V | Above finished grade or sidewalks, or from any platform or projection from which they might be reached. (If these areas are accessible to other than pedestrian traffic, then one of the other conditions applies.) |
3.66 m (12.0 ft) | [LESS THAN]600 V | Over areas, other than public streets, alleys, roads, and driveways, subject to vehicular traffic other than truck traffic | [LESS THAN]300 V | Over residential property and driveways. Over commercial areas subject to pedestrian traffic or to vehicular traffic other than truck traffic. (This category includes conditions covered under the 3.05-m (10.0-ft) category where the voltage exceeds 150 V.) |
4.57 m (15.0 ft) | [LESS THAN]600 V | Over areas, other than public streets, alleys, roads, and driveways, subject to truck traffic | 301 to 600 V | Over residential property and driveways. Over commercial areas subject to pedestrian traffic or to vehicular traffic other than truck traffic. (This category includes conditions covered under the 3.05-m (10.0-ft) category where the voltage exceeds 300 V.) |
5.49 m (18.0 ft) | [LESS THAN]600 V | Over public streets, alleys, roads, and driveways | [LESS THAN]600 V | Over public streets, alleys, roads, and driveways. Over commercial areas subject to truck traffic. Other land traversed by vehicles, including land used for cultivating or grazing and forests and orchards. |
(8 Portable hand lamps.
29 C.F.R. §1910.304