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— Maintain at least 10 feet from overhead power lines, up to 50 KV. <br /> — For voltages over 50 KV, add 0.4 inches per KV to obtain the safe distance between equipment <br /> and power lines (follow AMS-710-02-PR-06600). <br /> — If voltage is unknown, remain at least 20 feet from overhead power lines. <br /> — Use ground-fault circuit interrupters as required. <br /> • Perform lockout/tagout LO/TO procedures in accordance with APTIM Procedure HS315. <br /> • Use three-pronged plugs and extension cords. <br /> • Contact your local underground utility-locating service. <br /> • Follow code requirements for electrical installations in hazardous locations. <br /> — Always use qualified electricians to install electrical equipment and when con- <br /> ducting troubleshooting activities within 10 feet of exposed live wires. <br /> 6.1.15 Hand and Power Tools <br /> Observe APTIM Procedure AMS-710-02-PR-01100, AMS-710-02-PR-01200, and AMS-710-02-PR-01300. <br /> Observe the following procedures and practices when working with hand and power tools: <br /> • Keep hand tools sharp, clean, oiled, dressed, and not abused. <br /> • Worn tools are dangerous: e.g.,the "teeth" in a pipe wrench can slip if worn smooth; an adjustable <br /> wrench will slip if the jaws are sprung; hammerheads can fly off loose handles. <br /> • Tools subject to impact (chisels, star drills, and caulking irons) tend to "mush-room." Keep them <br /> dressed to avoid flying spalls. Use tool holders. <br /> • Do not force tools beyond their capacity. No "homemade" handles or extensions (cheaters) are <br /> permitted! Do not use tools for pry bars. <br /> • Flying objects can result from operating almost any power tool, so always warn people in the <br /> vicinity and use proper eye protection. <br /> • Each power tool should be examined before use for damaged parts, loose fittings, and frayed or <br /> cut electric cords. Tag and return defective tools for repairs. Inspect also for adequate lighting, <br /> proper lubrication, and abandoned tools or material that could "vibrate into trouble." <br /> • Air must be shut off or the electric cord unplugged before making tool adjustments. Air must be <br /> "bled down" before replacement or disconnection. <br /> • Proper guards or shields must be installed on all power tools before issue. Do not use improper <br /> tools or tools without guards in place. <br /> 6-10 <br />