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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
Posted to sci.electronics.repair
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Application of SPST switch.
This switch
http://terminalsupplyco.com/Store/Pr...x?pc=MLR-AMBER has terminals marked "PWR ACC GRD". How should it be connected? I'll speculate that PWR & ACC are for the circuit and GRD is for the lamp. If GRD is connected to the neutral conductor, the lamp is on when the switch is closed? Thanks, ... Peter E. peasthope at shaw dot ca |
#2
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Application of SPST switch.
Peter wrote:
This switch http://terminalsupplyco.com/Store/Pr...x?pc=MLR-AMBER has terminals marked "PWR ACC GRD". How should it be connected? I'll speculate that PWR & ACC are for the circuit and GRD is for the lamp. If GRD is connected to the neutral conductor, the lamp is on when the switch is closed? Thanks, ... Peter E. peasthope at shaw dot ca Yes... You connect 12V to the PWR terminal, and Ground to the GRD terminal. The device or circuit you're turning on connects to the ACC terminal. When the switch is switched ON, 12V is internally connected to the device and the lamp, turning both on. -- David dgminala at mediacombb dot net |
#3
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Application of SPST switch.
"Peter" This switch http://terminalsupplyco.com/Store/Pr...x?pc=MLR-AMBER has terminals marked "PWR ACC GRD". How should it be connected? I'll speculate that PWR & ACC are for the circuit and GRD is for the lamp. If GRD is connected to the neutral conductor, the lamp is on when the switch is closed? ** That switch is strictly for 12 volt DC circuits. The 12 volt lamp inside is connected across PWR and GND - so when the switch connects the battery ( ACC) to the load it lights up. ...... Phil |
#4
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Application of SPST switch.
On Mar 9, 3:50*pm, "Dave M" wrote:
... You connect 12V to the PWR terminal, and Ground to the GRD terminal. The device or circuit you're turning on connects to the ACC terminal. * So the power source is connected to PWR and GRD and the load is connected to ACC and GRD. The GRD conductor could jump over the switch but then the light wouldn't work? Any idea how the notation ACC is derived? Mar 9, 10:15 pm, Phil Allison wrote, ** That switch is strictly for 12 volt DC circuits. Right oh. The appearance is similar to a switch in the scrap collection here marked "ARROW ENGLAND 125 V". I didn't find a useful illustration of the Arrow. Should have photographed it but the linked picture was convenient. Thanks for the explanations fellows, ... Peter E. |
#5
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Application of SPST switch.
On 3/10/2011 10:34 AM, Peter wrote:
Any idea how the notation ACC is derived? ACC = ACCessory Jeff |
#6
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Application of SPST switch.
On Mar 10, 1:25*pm, Jeffrey Angus wrote:
ACC = ACCessory Thanks to the three of you. With the lighted switch, the power bar is better than new, ... Peter E. |
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