def __make_threephase_node_name(node_name_prefix, phase):
    """
    Returns a node name with "phase" sufix and trailing whitespaces (6 
    characters).
    """
    new_name = node_name_prefix + phase
    whitespaces = 6 - len(new_name)
    new_name = new_name + (" " * whitespaces)

    return new_name