There really is no need for a fused Distribution Block for the ground wires. It can be done but it would only be an extra cost and there is no advantage to using one. If you are using only one amplifier, then there is no need for a Distribution block for the ground cable at all. Just try to keep the ground cable as short as your installation permits and try not to exeed 40 to 50cm also make sure there is a good clean paintless surface for your ground cable and secure well.
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There really is no need for a fused Distribution Block for the ground wires. It can be done but it would only be an extra cost and there is no advantage to using one. If you are using only one amplifier, then there is no need for a Distribution block for the ground cable at all. Just try to keep the ground cable as short as your installation permits and try not to exeed 40 to 50cm also make sure there is a good clean paintless surface for your ground cable and secure well.