NC 33-66-1987
Oil Industry. Insulated Mineral Oiis for Transformers Sampling

Standard No.

NC 33-66-1987

Release Date

1987

Published By

CU-NC

Latest

NC 33-66-1987

Scope

This standard establis es sampling to evaluate the quality (electrical, physical and chemical tests) of the mineral insulating oils contained in 110 and 220 kV power transformers in all capacities. (Hereinafter, transformer).

NC 33-66-1987 history

• 1987 NC 33-66-1987 Oil Industry. Insulated Mineral Oiis for Transformers Sampling