§ 236.309 - Loss of shunt protection; where required.

Latest version.

§ 236.309 Loss of shunt protection; where required.

(a) A loss of shunt of 5 seconds or less shall not permit an established route to be changed at an automatic interlocking.

(b) A loss of shunt of 5 seconds or less shall not permit the release of the route locking circuit of each power-operated switch hereafter installed.

[49 FR 3385, Jan. 26, 1984]

                    
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§ 236.309 - Loss of shunt protection; where required.

§ 236.309 Loss of shunt protection; where required.