Degrees of protection of enclosures; protection of persons against contact with live parts, protection of equipment against ingress of solid foreign bodies and of water, small transformers till 16 kVA— 3 стр.
Overhead line private connection boxes for HRC-fuses, size 00 up to 100 A, 500 V and size 1 up to 250 A, 500 V, degree of protection system IP 54— 2 стр.
Contract Procedure for Building Works; Part C: General Technical Specifications for Building Works; Systems for Central Heating and Central Raw Water Heating— 21 стр.