WyeDelta 120240 4 wire Transformer Bank OSHA Required
Wye/Delta 120/240 4 wire Transformer Bank
OSHA Required Tailgate Discussion Topics • Hazards Associate with the job • Work Procedures Involved • Special Precautions • Energy Source Controls • PPE Required
Work Procedures Involved Hazards associated with the job Energy Source Controls Special Precautions Personal Protective Equipment A safe job begins with a thorough inspection of… Be sure to. Tools record your Be certain all of your tools emergency location Be andaware post in ofayour area, be sure to cover arework in good shape. location everyone on the crew anything you can reach touch or fall into. And knows. anything that can reach fall into Equipment Make suretouch youror trucks are you! all in Have your PPE and First Aid kit needed Discuss all PPE for the job and wear your working order take time to preflight available Be toofinspect your equipment prior to use. are your equipment and insure there Working in traffic exposes you to hazards that Slips trips and PPE. falls aresure some the Be sureare your AEDIdentify isto accessible. alllook voltages you are exposed surprise. difficult control. Give vehicles plentyto. Be sure to most common injuries, fornothe all of your protective gear on. time tohave see and avoid you! Follow the hazards of that could cause this. Be. Arc-Flash afor dedicated observer Line/Structure Look over line and structure. Are manual of wear traffic. Identify control yourthe area. sure to inspect and your fall there any potential hazards? (Broken arrest harness. insulators, damaged wire, clearances over roads or from trees? )
Hang the required hardware Note the side that has two cutouts is opposite the system neutral.
Hang the transformers as needed. Ground the cluster and tanks. Remove the tank strap from the transformer that will not provide the lighting legs.
Bond the H 2’s and connect them to the system neutral. H 2
Connect the H 1’s to the cutouts. Leave the primary jumpers connected to the neutral until you are ready to energize.
Connect the lighting transformers X 2 to the secondary service neutral. X 2 Neutral
Connect the lighting transformers X 3 to the power transformers X 1 X 3 Neutral
Connect the secondary service wires as shown. Lighting Wild Leg Neutral
Connect the primary jumpers and test for voltage and rotation. Neutral Wild Leg
Hang the transformers as needed. Ground the cluster and tanks. Remove the tank strap from the transformer that will not provide the lighting legs.
Bond the H 2’s and connect them to the system neutral. H 2
Connect the H 1’s to the cutouts. Leave the primary jumpers connected to the neutral until you are ready to energize. H 1
Connect the lighting transformers X 2 to the secondary service neutral. X 2 Neutral
Connect the lighting transformers X 3 to the power transformers X 1 X 3 Neutral
Connect the secondary service wires as shown. Wild Leg Lighting Neutral Lighting
Connect the primary jumpers and test for voltage and rotation. Wild Leg Lighting Neutral Lighting
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