General principles of cathodic protection of buried or immersed onshore metallic structures1 Scope This document describes the general principles for the implementation and management of a system of cathodic protection against corrosive attacks on structures which are buried or in contact with soils, surface fresh waters or underground waters, with and without the interference of external electrical sources. It specifies the protection criteria to be achieved to demonstrate the cathodic protection effectiveness. For structures that cannot

From above the ceiling to simulate fire within the cavity above the ceiling

– rated output for single-phase or polyphase power supply units or switch mode power supply units not exceeding 1 kVA

test head form

BS EN 16319 also provides users with a step-by-step procedure for the method

see EN 3645-008

BS EN 16453 specifies an analytical test method for the determination of phthalates in water

and nD materials

BS EN 61375-3-2 is the second subpart of the third part of a multi-part series that applies to all equipment and devices implemented according to IEC 61375-3-1

installation and configuration of I&HASs incorporating alarm confirmation technology

— mobile stretch film wrapping machines

in community medical facilities and dental institutions

or gas in a plumbing or other piped connection