<<<New advice. The new guidance is to connect the transceiver negative directly to the vehicle chassis and no fuse in the negative. (Assumes negative earth.) The positive lead should still be fused and connected to the battery or in accordance with the vehicle manufactures specific recommendation. Remember that transceivers should be specified for vehicle use and the manufacturer’s guidance on RF power limits, antenna placement and DC supplies must be followed. Failure to do so might affect your insurance cover and questions on this point must be directed to your insurance provider.>>>
It's about time everyone had common sense about this. If the device has a floating negative power supply buss, like the old Motorola land mobile radios designed for positive or negative supply vehicles, that ground loop is not present. Fusing the negative made some sense, or at least did not hurt. Now a negative line fuse is a horrible idea. If you lose the negative path from the radio to the battery or from the battery to the engine block, it can cause all sorts of damage inside and outside the radio. We'll see how long it takes the rest of the world to pull its head out of the sand on this! Tom ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
