standard for low-voltage wiring instruments

1
- Hello, I want to know if, is there any standard about low-voltage wiring for instruments? I need to justify the use of a pair + shield cable on an instrument that is powered by 24 VDC. Thanks for your help. - Refer API 552 (Transmission Systems) section 5,6 and 7. -- depends on where you are located, i know in my area there is an industry standard but nothing in concrete

Upload: nguyenquitrong

Post on 16-Sep-2015

217 views

Category:

Documents


1 download

TRANSCRIPT

- Hello, I want to know if, is there any standard about low-voltage wiring for instruments? I need to justify the use of a pair + shield cable on an instrument that is powered by 24 VDC. Thanks for your help.

- Refer API 552 (Transmission Systems) section 5,6 and 7.

-- depends on where you are located, i know in my area there is an industry standard but nothing in concrete