Warning: fopen(/usr/local/www/cms.ua/macstorage/cache/cache.store.1780944942): failed to open stream: No such file or directory in /usr/local/www/cms.ua/system/library/cache/file.php on line 28Warning: flock() expects parameter 1 to be resource, bool given in /usr/local/www/cms.ua/system/library/cache/file.php on line 30Warning: filesize(): stat failed for /usr/local/www/cms.ua/macstorage/cache/cache.store.1780944942 in /usr/local/www/cms.ua/system/library/cache/file.php on line 32Warning: fread() expects parameter 1 to be resource, bool given in /usr/local/www/cms.ua/system/library/cache/file.php on line 32Warning: flock() expects parameter 1 to be resource, bool given in /usr/local/www/cms.ua/system/library/cache/file.php on line 34Warning: fclose() expects parameter 1 to be resource, bool given in /usr/local/www/cms.ua/system/library/cache/file.php on line 36 What is OPGW cable?

What is OPGW cable?

OPGW (Optical Ground Wire) is a fiber optic cable with an extruded aluminum tube embedded in a lightning wire. It performs the functions of transmitting information and protecting phase conductors from lightning strikes, and also provides grounding during the passage of short-circuit currents.