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A rY1W¢i Aten- ~v - n+.c.i i.~ / yde}, .. i.. a --. i..n~- c ~_ §57.12014 30 CFR Ch.l(7-1-94 (b) Insulated co a degree at least equal to that of the original, and sealed to exclude moisture; and, (c) Provided with damage protection as near as possible to chat of the orlgf- nal, including good bonding to the outerfackec. 467.12014 Handling energized power cables. Power cables energized to potentials !n excess of 150 volts, phase-co-ground. shall not be moved with equipment un- lesa sleds or slinga, insulated from such eon lDment, are used. When such ener- cablee are moved manually. lnsu- 1 hooks, tongs. ropes, or slings shall be used unless sui cable Drotec tlon for persons is provided by other means. This does not prohibit pulling or drag- ging oC cable by the equipment IL pow- ers when the cable 1s physically at- tached to the equipment by suitable mechanical devices, and the cable la In- eulated from the equfDment in con- formance with other standards 1n this part. q 67.12018 Work oa electrlcal]ypow• ered equipment. Electrically Dowered equipment shall be deenerglzed before mechanical work fa done on such equipment. Power awftchea shall be locked out or other measures taken which shall prevent the equipment from being energized without the knowledge of the SndSvSd- u working on It. Suf [able warning a s shall be posted at the Dower sw ch and signed by the SndSviduale who are to do the work. Such locks or preventive devices shall be removed only by the persona who metalled them or by authorized personnel. 467.12037 Work on power circuits. Power circuits shall be deenerglzed before work 3s done on such clrcufta unless hot-line tools are used. Suitable warning of gns shall be posted by the 1n- dlvfduals who are to do the work. Swftchee shall be locked out or other measures taken which shall prevent •he ..nwnr r1 rq~~Ira frnni haing cnergl_eA without the knowledge of the lndlvld- usle working on them. Such locks. slgna. or preventive devices shall be re- moved only by the person who Installed them or by authorized personnel. 467.12018 ldeatificetion of po switches. Principal Dower switches shall be baled to show which units they coat unless ldentlflcatlon can be made ri fly by location. 457.12018 Access to stationary e trical equipment or switchgear. Where access is necessary, sulti clearance shall be provided at slat any electrical equipment or swltchg 457.12020 Protection of penoas switc6gear. Dry wooden platforms, lnaulai macs. or other electrice nonconductive material shall be 1 m place at all switchboards and poi control switches where shock hazt exist. However, metal Dlatee on w] a Denson normally would stand which are kept at the same Dotes ae the grounded, metal, non-turn carrying parts oC the power ewitche be operated may be used. .;.y 457.12021 Danger signs. Suitable danger signs shall be D~ ac all mafor electrical installation 467.12022 Authorlxed pereotu ate electrical lnstallatlom. Areas containing maJor electrlci scallatfons shall be entered only b thorized persona. . 467.12029 Guarding electrical co: tloas and resistor grids. Electrical connections and net grids that are difficult or SmDra( co lnsu.late shall be guarded, .u protection is provided by location. 467.12026 Grounding circult~r sores. Al] metal enclosing or encealag trlcal cSrcuf is shall be grounded o. vlded with equivalent protection. requirement does not apply to bal ocerated equfDment. .. 467.12028 Ground/ng trans6 ewltchgear enclosures. Metal Cencfng and metal encloaf ng transformers and ~~ shall be grounded. Safety and Heaflh Admin., Labor Grounding mobile equip• grounding or equivalent Dro- shall be provided for mobile nt powered through trolling W28 Testing grounding systems. tinulty and reeletanca of ground- yeterrra shall be tested Imme- y.atter lnatallatlon, repair, and lcatloa; and annually thereafter. ~.ord oC the resistance measured f the most recent teat shall be available on a request by the Sec- r or hie duly authorized rep- Correction of dangerous ~a a potentially dangerous condl- e found It shall be corrected be- yulpment or wiring Sa energized. §57.12047 467.12037 FtitseB In high-potential cir- cuits. Fuse tongs or hotline tools, shall be used when these are removed or re- placed In high-potential circuits. 467.12098 Attachment of trolling ca• hies. Trolling cables shall be attached to machlnea in a suitable manner to pro- tect the cable from damage and to pre- vent strain on the electrical connec- tlons. 467.12039 Protection of surplus trail• ing cables. Surplus trailing cables to shovels, cranes and similar equipment shall bo- (a) Stored In cable boats; (b) Stored on reels mounted on the equipment; or (c) Otherwise protected from me- chanical dame.ge. 10.42 Inspection and cover plates. 657.12040 Installotloa of opereting -y. coatrvls. ipotion and cover plates on slat- Operating controls shall be Installed equipment and )unction boxes so that they can be operated without be kept 1n place at all times ex- danger of contact with energized con- nrlag teetlag or repairs. doctors. '.099 'Hand-held electric tools. Q-held electric tools shall not be red at high Ddtentlal voltages. 094. Guarding around lights. able extenefoa lights, and ocher lthat by their location present a ,or burn hazard, shall be guarded. A,: . X098 Weatherproof lamp sockets. lD sockets shall be of a weather- type where they are exposed to Br or wet conditions that may are with !]luminatlon or create a hazard. flies removal or replace- ~ehall not be removed or re- ly hand in an energized circuit. iy shall nnt. nth arwl9e ne .- - rr replaced In an energized cir- '.eae equipment and techniques Ly designed to prevent elec- Sock are provided and used for 467.12041 Design of switches and starting bores. Swftchee and starting boxes shall be of sate design and capacity. 467.12042 Track hooding. Both rape shall be bonded or welded at every 1pSnt and rolls shall be croaebonded at least every 200 feet 1C the track serves as the return trolley circuit. When rolls are moved, re- placed, or broken bonds are discovered, they shall be rebonded within three working ehitta. 467.12046 Overhead powerliaee. Overhead high-potential powerllnes shall be Installed as specified by the National Electrical Code. 467.12047 Guy wires. Guy wires of poise supporting high- voltage transmlaslon lines shall meet the requirements Cor grounding or In- sulator protection o[ the National Electrical Safety Code, part 2, anti tied "Safety Rules for the Installation and