Section 39.132. Grounding low voltage circuits of instrument transformers  


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  • The low voltage circuit of instrument transformers shall be permanently grounded unless the circuits are installed, guarded, and plainly identified as required for the high voltage circuits of the transformers. This shall sometimes require marking to distinguish such a low voltage circuit from others with which it is associated, but which are protected by ground connections.

Notation

Cross References

This section cited in 34 Pa. Code § 39.115 (relating to grounding noncurrent-carrying parts); and 34 Pa. Code § 39.201 (relating to storage batteries, transformers, and lightning arresters).