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Switching

Switching. How to wire different switching circuits. Switching Symbol. Pole. Throw. The Pole of the switch is where the switch pivots or is attached to our circuits. The Throw of the switch is where the switch makes contact when it is closed. Switching Symbol.

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Switching

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  1. Switching How to wire different switching circuits

  2. Switching Symbol Pole Throw The Pole of the switch is where the switch pivots or is attached to our circuits. The Throw of the switch is where the switch makes contact when it is closed.

  3. Switching Symbol This is a symbol for a Single Pole Single Throw Switch or P S S T SPST

  4. Wiring Switching Circuits • To wire a SPST switch in the circuits we will be making, we will use a Hot Bus Bar (HBB) • The HBB is used to connect the (-) side of the battery to the pole of the switch. • We use the HBB so that we can attach multiple switches to one (-) wire coming from our power supply.

  5. Wiring Switching Circuits Hot Bus Bar (HBB) SPST Switch Battery Light

  6. Wiring Switching Circuits Hot Bus Bar (HBB) 1) Connect (-) side of Battery to HBB 2) Connect Pole of switch to HBB 3) Connect Throw of switch to light 4) Connect other side of light to (+) battery

  7. Wiring Switching Circuits Hot Bus Bar (HBB) 1) Connect (-) side of Battery to HBB 2) Connect Pole of switch to HBB 3) Connect Throw of switch to light 4) Connect other side of light to (+) battery

  8. Wiring Switching Circuits Hot Bus Bar (HBB) A 1 B 2 What type of switch is this? SPDT What happens when the switch is thrown to position A? Light 1 lights What happens when the switch is thrown to position B? Light 2 lights

  9. Wiring Switching Circuits Hot Bus Bar (HBB) 1) Connect (-) side of Battery to HBB 2) Connect Pole of switch to HBB 3) Connect Throw of switch to light 4) Connect other side of light to (+) battery

  10. Wiring Switching Circuits Hot Bus Bar (HBB) What type of switch is this? DPST What happens when the switch is thrown? Both lights light

  11. Wiring Switching Circuits Hot Bus Bar (HBB) 1) Connect (-) side of Battery to HBB 2) Connect Pole of switch to HBB 3) Connect Throw of switch to light 4) Connect other side of light to (+) battery

  12. Wiring Switching Circuits Hot Bus Bar (HBB) A 1 B 2 3 4 What type of switch is this? DPDT What happens when the switch is thrown to position A? Lights 1 & 4 light What happens when the switch is thrown to position B? Lights 2 & 3 light

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