2024 30 CFR 77.503 – Electric conductors; capacity and insulation

2023 30 CFR 77.503 – Electric conductors; capacity and insulation

2022 30 CFR 77.503 – Electric conductors; capacity and insulation

2021 30 CFR 77.503 – Electric conductors; capacity and insulation

2020 30 CFR 77.503 – Electric conductors; capacity and insulation

2019 30 CFR 77.503 – Electric conductors; capacity and insulation

2016 30 CFR 77.503 – Electric conductors; capacity and insulation

2015 30 CFR 77.503 – Electric conductors; capacity and insulation

2014 30 CFR 77.503 – Electric conductors; capacity and insulation

2010 30 CFR 77.503 – Electric conductors; capacity and insulation

2009 30 CFR 77.503 – Electric conductors; capacity and insulation