Section 39.171. Accessibility and convenient attendance

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Switchboards shall have switches so arranged that the points of control are readily accessible to the operator. Instruments, relays, and other devices requiring reading or adjustments shall be so placed that work may be readily performed from the working space. Reference should also be made to § § 39.160 and 39.177 (relating to guarding live parts of switches and automatic cut-outs not installed on switchboards; guarding live parts).

                    
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