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SC 37A
DASHBOARD
| Low-voltage surge protective devices
To prepare international standards for surge protective devices (SPDs) for protection against indirect and direct effects of lightning and/or against other transient overvoltages and for information on their selection and application. These devices are to be used in power, telecommunications and/or signalling networks with voltages up to 1000 V a.c. and 1500 V d.c.
Requirements for selection and erection of SPDs in electrical installations of buildings as covered by TC 64 are excluded. |
