Specifications

PIP ELCGL01
Electrical Design Criteria November 2002
Page 18 of 20 Process Industry Practices
This does not apply to single or double conduit duct banks for street lighting
or to individual, remotely located equipment.
11.4 Direct Burial
Installation of direct burial cable shall be as specified on the Data Sheet.
11.5 Overhead Pole Lines
Installation of overhead pole lines shall be as specified on the Data Sheet.
11.6 Messenger Cable
Installation of messenger-supported cable shall be as specified on the Data Sheet.
12. Power and Control Wiring
12.1 Multiconductor cable shall be specified according to PIP ELSWC01, PIP ELSWC02,
and PIP ELSWC03.
12.2 Grounding conductor(s), sized in accordance with Article 250 of the NEC shall be
included in all multiconductor power cables.
12.3 All power/control wiring shall have copper conductors and construction as identified
on the Data Sheet.
12.4 The minimum conductor size for power wiring shall be No. 12 AWG, with the
exception of conductors for individual luminaire drops, which may be No. 14 AWG.
12.5 The minimum conductor size for control in multiconductor cables shall be
No. 14 AWG unless specified otherwise on the Data Sheet.
12.6 Use of composite power and control cable shall be as permitted by the Data Sheet.
12.7 Cables shall not enter the tops of cabinets or junction boxes located outdoors or in
washdown areas. Bottom entry of cabinets or junction boxes is preferred.
12.8 Power cable termination methods shall be as specified on the Data Sheet.
12.9 Full ring compression lugs shall be used for power wiring where available. Indent
type lugs shall be used for power wiring where full ring compression lugs are not
available.
13. Instrumentation
Instrument tray cable shall be specified in accordance with PIP ELSWC05. The 600-volt tray
cable used for instrumentation shall be specified in accordance with PIP ELSWC03. All
other instrumentation design requirements shall be specified in accordance with
PIP PCCEL001.
14. Freeze Protection and Process Heat-Tracing Systems
14.1 Freeze protection and process heat-tracing systems shall be designed in accordance
with IEEE 515 and NFPA 70-2002 (NEC), Article 427.