Section 39.106. Isolating live parts by elevation

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Current-carrying parts need not be guarded if they are maintained at the following distances above the floors which may be occupied by persons:

Voltage of Conductors Elevation (in feet)

300—750 7

750—2,500 7

2,500—7,500 8

7,500—30,000 9

30,000—70,000 10

70,000—100,000 12

Over 100,000 14

Notation

Cross References

This section cited in 34 Pa. Code § 39.143 (relating to isolation by elevation); 34 Pa. Code § 39.160 (relating to guarding live parts of switches and automatic cut-outs not installed on switchboards); and 34 Pa. Code § 39.199 (relating to guarding or isolating live parts).

                    
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Voltage of Conductors	Elevation (in feet)
300—750	7
750—2,500	7
2,500—7,500	8
7,500—30,000	9
30,000—70,000	10
70,000—100,000	12
Over 100,000	14