Try this, it works for me, file named taxonomy.php
<?php
/* Template Name: Safes Taxonomy */
?>
...
<?php
$args = array( 'post_type' => 'safes', 'posts_per_page' => 10, get_query_var( 'taxonomy' ) => get_query_var( 'term' ) );
$loop = new WP_Query( $args );
?>
...
