int meta = world.getBlockMetadata( pos.x, pos.y, pos.z );
TMultiPart part = PartRegistry.getPartByBlock( blk, meta );
if ( part instanceof CableBusPart )
{
CableBusPart cbp = (CableBusPart) part;
cbp.convertFromTile( world.getTileEntity( pos.x, pos.y, pos.z ) );
}
return part;
}