Electric Safety Tips, safe electricity procedures, Electrical parts safety, and service on electric components

BATTERY SAFETY & ELECTRIC TIPS

    Electric Safety Tips, safe electricity practices, Electrical maintenance safety, and service on electronic components
  • 1. At all times wear insulation gloves.
  • 2. Disconnect power source from electronics, both negative and positive leads when "off", or serviced.
  • 3. Never disconnect under load.
  • 4. Use Anderson connectors or breakers for connecting parts or electronics.
  • 5. Connect the components to ground BEFORE test, charging, or servicing.
  • 6. Consider charging units with handshaking for off grid and on grid charging.
  • 7. Use cutout switch on circuits to prevent runaway.
  • 8. Shield ALL exposed electronics from accidental touching with boxes or covers or clear plastic, or rubber, or tape.
  • 9. Have "pull fuse" or master breaker within easy reach at source and at destination, marked for emergency personnel, and easy to operate.
  • 10. No parts or fumes near flames, ignighters, fuel storage, components, direct sun, or extreme heat.
  • 11. No parts near fumes or fumes near occupants or other fuels.
  • 12. Logic, no test while current is active in capacitors or motor.
  • 13. Cut off switches on component doors, and at meter. Consider more.
  • 14. Control wires & electronics must be on separate side to that of power cables to prevent RF interference.
  • 15. Keep cords, plugs, and other parts from getting too hot! Coiling up the cord can concentrate all the heat in one spot and cause melting, smoke, shorts, or fire.
  • 16. No positive and negative loops.
  • 17. Temperature measurements on motors and parts.
  • 18. RPM readings from motor.
  • 19. Separate backup packs for emergency lights, maintenance, keeping electronics alive.
  • 20. E-meter, Zantex gives state of charge, amperes used, etc.
  • 21. When fast charging components, may need air or water cooling.
  • 22. Have AC inverter to run water pumps and auxiliary items.
  • 23. Maintain lubrication. Prevents locking up of gears.
  • 24. Do not over spin motors or spin motors without load.
  • 25. Forced motor cooling at low speed and current anticipation.
  • 26. For first time installation, use limited power.
  • 27. Maintain parts management system.
  • 28. Torque stabilization for motors need support attachment on front and rear to prevent short life or handle excess loads.
  • 29. Motor gear attachment use taper lock with compression screws.
  • 30. Frames and towers construction use chrome alloy 4130 aircraft quality, lots of bracing, tig weld, and pre-heat.
  • 31. Design "Lift Point" on frames to remove large or heavy components.
  • 32. Determine center of gravity (use 1.4 to 1 hypotenuse line).
  • 33. Unitec welder three phase for welding parts tabs.

    Connectors

  • 1. Crimp connectors are much better than solder.
  • 2. Use Teflon wires for all electronic connections and part pack connections.
  • 3. Consider special crimper (expensive) or AMP aircraft crimpier (or weld a 13mm hex socket & cable cutter).
  • 4. Use thick walled connectors. No separate or split type (braised OK). Consider Zeus fasteners.
    Electric Safety Tips, safe electricity practices, Electrical maintenance safety, and service on electronic components
  • 5. Perform a "Tug Test" at 70 percent on connections.
  • 6. Use DEM nuts for sheet metal.

    Miscellaneous

  • 1. Use optical isolated commutation.
  • 2. Do not use carbon fiber to house parts (unsafe).
  • 3. Glue parts to circuit boards with aircraft tank glue. Try Sinco Sealant gun.
  • 4. All wiring must be twisted to prevent RF interference.
  • 5. Rubber cap all of the exposed connections.
  • 6. Require fuses on chargers and destination.
  • 7. Require excess full charge connectors.
  • 8. Parking brakes must LOCK, even with stands or chocks on vehicles.
  • 9. Consider backup contact switches. The extra protects in case of failure.

  • Thanks to Lee Hart, Bill Dube’, Ken Koch, Roland Wiench, Wayne Alexander, Roger Stockton, Victor Tikhonov, Chip Gribben, David Roden, NEDRA, Roderick Wilde, Wayland, John Wood, Steven Ciciora, Derek Barger, Scot Colburn, Rich Rudman, Jim Husted, Electric Louie, James F. Jarrett, Robert, Randy Johnson, Marcio, Uve, Father Time, Don, Otmar, John Horning, Jay Lashlee, electric pioneers, racers, home brew EVers, and Electric List members for training, guidelines, safety tips, and procedures.