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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Home made positioner
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<blockquote data-quote="bifferos" data-source="post: 164734" data-attributes="member: 196106"><p>Hmm... Something suitable to hand that clamps the mains cable incase the box gets knocked on the floor, a grommet for the place the cable goes in, so it doesn't get bent out of shape, something to mount the toroid on inside the box, something to keep its leads from coming together, then the same again for the low voltage side, then maybe think about a fuse?</p><p></p><p>Take it from me - it's really not that simple, which is why a lot of modern equipment comes with wall-warts. They mass-produce the high voltage side to the relevant safety standards, then the device itself doesn't need such careful design WRT heat, isolation etc..</p><p></p><p>This is why an AT(X) PSU is so attractive. There's no way I could legally do business selling the positioner I've built, but at least there is some notion of safety, because I haven't messed with anything inside the box as shipped from the factory, and it has been subjected to inspection.</p><p></p><p>It's not that I won't touch mains - it's just that it's a *lot* of extra work if you want it to be properly safe.</p><p></p><p>-biff</p></blockquote><p></p>
[QUOTE="bifferos, post: 164734, member: 196106"] Hmm... Something suitable to hand that clamps the mains cable incase the box gets knocked on the floor, a grommet for the place the cable goes in, so it doesn't get bent out of shape, something to mount the toroid on inside the box, something to keep its leads from coming together, then the same again for the low voltage side, then maybe think about a fuse? Take it from me - it's really not that simple, which is why a lot of modern equipment comes with wall-warts. They mass-produce the high voltage side to the relevant safety standards, then the device itself doesn't need such careful design WRT heat, isolation etc.. This is why an AT(X) PSU is so attractive. There's no way I could legally do business selling the positioner I've built, but at least there is some notion of safety, because I haven't messed with anything inside the box as shipped from the factory, and it has been subjected to inspection. It's not that I won't touch mains - it's just that it's a *lot* of extra work if you want it to be properly safe. -biff [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Home made positioner
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