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Reply to "Atlas O Scale Operating Oil Pump: To me, a disappointment."

@Mannyrock posted:

Thanks for all info.

This thing has super thin wires.   Can I hook up my power source to those wires using heavier gauge wires, such as 18 Gauge?  Or will this cause excess heat where the wires are joined together.

Mannyrock

Assuming that your power source is correctly rated for your accessory, i.e., it is not putting out more voltage than the accessory calls for or within its stated range, then you can use heavier gauge wires but they provide no benefit. In addition, it's not always easy to connect wires of widely different gauges together.

As to your question about 3 amp fuses, fuses typically protect against shorts where the current spike is a lot larger than what the device is rated for. You wouldn't want the fuse rating to be the same as the accessory or it would blow every time you turned it on, so it has to be larger. In addition, the fuse is generally intended to protect the more expensive transformer from the short. I don't want a short in a $2.00 lighted lantern to destroy my Z-4000 transformer. Many accessories are only in the milliamp spectrum, so 3 amps provides enough protection.

And the reason you can't just connect an accessory to an 18acv tap is because the manufacturer rates the accessory for the maximum amount of voltage the accessory can use or withstand without destroying it.

Hope this helps.

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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