Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 39 - SAFETY STANDARDS-GENERAL
Subchapter B - ELECTRIC SAFETY
SPECIAL RULES FOR EMPLOYES-SUPPLY STATION AND SWITCHBOARD OPERATORS
Section 39.417 - Handling switchboard equipment

Universal Citation: 34 PA Code ยง 39.417

Current through Register Vol. 54, No. 38, September 21, 2024

(a) Ungrounded metal parts of devices on switchboards shall be handled as if operating at the highest voltage to which any portion of the equipment on the same switchboard panel is subject, unless the parts are known, by test or otherwise, to be free from such voltage.

(b) When cable plug connectors are used, one end shall not remain hanging loose while the other end is connected to a live terminal. In handling instrument circuits, the secondary of a current transformer should never be opened when it is alive.

This section cited in 34 Pa. Code § 39.461 (relating to general requirements); 34 Pa. Code § 39.471 (relating to general requirements); and 34 Pa. Code § 39.491 (relating to general requirements).

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