Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 39 - SAFETY STANDARDS-GENERAL
Subchapter B - ELECTRIC SAFETY
WIRING AND PROTECTION AND CONTROL EQUIPMENT
Section 39.143 - Isolation by elevation

Universal Citation: 34 PA Code ยง 39.143
Current through Register Vol. 54, No. 38, September 21, 2024

All conductors over 750 volts, and ungrounded bare conductors over 300 volts to ground shall be isolated by elevation as required by § 39.106 (relating to isolating live parts by elevation), unless guarded in accordance with § 39.144 (relating to guarding conductors), so that no person may inadvertently come in contact with them. Buses and bus structures and line connections thereto, installed in accordance with §§ 39.104 and 39.160 (relating to working space about electrical equipment; guarding live parts of switches and automatic cut-outs not installed on switchboards) in suitable locations specially arranged for such purposes, shall not be required to be so isolated.

This section cited in 34 Pa. Code § 39.185 (relating to guarding live parts).

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