Mr. Gibson understood the importance of lightning arresters, but was not prepared to apply them in his home.
No lightning arresters are connected to this line save those at the generating plant, the terminal house and the sub-station.
No lightning arresters were employed at the points where the overhead transmission wires joined the underground cables.
At the time of this storm and during an entire summer there were no lightning arresters in the power-house at Chambly.
To increase the degree of protection afforded by lightning arresters choke-coils are frequently used with them.
From this connection on each of the three conductors a tap was carried to a switch and series of lightning arresters.