BCA/QMC have recently released a document to help guide Level 2 Award holders in their equipment choice for those going out with the intention to belay a group on a ladder or abseil underground.
The full document can be downloaded from the BCA website here: https://british-caving.org.uk/wiki3/lib/exe/fetch.php?media=training:life_lining_systems_for_lcmla_l2.pdf
Worth a read….