Electrical Safety Distance Calculator

Calculate minimum approach distances for qualified and unqualified workers per NFPA 70E and OSHA.

Nominal system voltage (phase to phase).
V
0 for outdoor, 1 for indoor.

Results

Limited Approach Distance-ft
Restricted Approach Distance-ft
Prohibited Approach Distance-inches
Estimated PPE Category-
References: NFPA 70E Table 130.4(E)(a); OSHA 29 CFR 1910.333; IEEE Std 1584