while the red test lead's banana plug is used in the meter's banana jack

The information is taken from the manufacturer's official product description for the WERA 780 A/1 1/4" adapter (item number 05042605001)

Contents: auxiliary earth probes

Samlet længde 176 mm og enhedsvægt 67 g

Ledningen er mærket til 1000 V i CAT II og 600 V i CAT III

Kabelforskruning polyamid EX-e SORT; M20; Ø7-12mm 145187-21 while the red test lead'sProduct Overview This SIB F8022050E cable gland from SIB is a polyamide cable gland with a flat neoprene gasket, designed to provide Ex e and tD type protection. The product is certified for equipment group II, categories 2 and 3 for gas and dust atmospheres, and is supplied in RAL 9005 (black). Technical Description Material: polyamide (specified in product data). Seal: flat neoprene gasket. Gland thread: M20. Cable diameter range: 7. 0 mm 12. 0 mm.