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What are the red balls for on the wires on a tower?
Pilots flying in an airplane can't see the wires and might crash into them. The red balls act like flags to alert the pilots that the wires are there. Good question!
How can i find out if the live wires i found in my wall are for a light switch or an outlet?
Use a voltage tester held next to the wire. Turn the switch off. If the tester stops beeping then the wires are on that switch.
Why telephone line has negative voltage?
A negative live voltage is used to prevent electroytic corrosion on the copper wires.
Looking for a connection wiring diagram for 30 HP 3 phase 380 volt motor?
The connection wiring diagram is usually on the inside of the motor's junction box cover. If the motor has three wires at the junction box then these wires are connected to the three incoming supply wires. If there is more than three wires, check the motor's nameplate to see if the motor is a dual voltage motor.
What's the different between white and green wires?
white wires are neutral. green wires are ground wires.
