BS IEC/IEEE 60255-118-1:2018 Measuring relays and protection equipment Synchrophasor for power systems. Measurements

Voltage fluctuations
Electric power systems
Electric power system disturbances
Electrical protection equipment
Relays
Surge protection
Type testing
Surges (electrical)
Switches
Switchgear
Electrical testing

Link: BS IEC/IEEE 60255-118-1:2018 Measuring relays and protection equipment Synchrophasor for power systems. Measurements
Source: BSI Standards

BS EN 16729-4:2018 Railway applications. Infrastructure. Non-destructive testing on rails in track Qualification of personnel for non-destructive testing on rails

Personnel
Infrastructure
Testing
Railway workers
Qualification approval
Non-destructive testing
Railways
Railway rails

Link: BS EN 16729-4:2018 Railway applications. Infrastructure. Non-destructive testing on rails in track Qualification of personnel for non-destructive testing on rails
Source: BSI Standards