LIRR Signalman Rules
What is the Ground Rule? - correct answer Each circuit, the functioning of which
affects safety of train operation, shall be kept free of any grounds or combination of
grounds which will permit in excess of 75% of the release value of any relay or other
electromagnetic device in the circuit except the common return wires of circuits
using grounded common and AC power circuits which are grounded for the purpose
of safety.
When the Block Operator in the tower blows the tower whistle 4 short blows, what
does this message convey? - correct answer Looking for Signal Maintainers.
When the Block Operator in the tower blows the tower whistle one very long blow,
what does this message convey? - correct answer All movement within the
interlocking stop immediately.
What is the test for Meggering and what are the readings we go by? - correct
answer Test 2. Reading for a bad cable 0 to 200K ohms. Reading for a one year
cable 200K ohms to 500K ohms. Reading for a ten year cable 500K ohms or more.
What is the NORMAL aspect of an interlocking signal? - correct answer Stop
Briefly what is 261 territory? - correct answer Trains governed by signals in both
directions.
Briefly what is 409 territory? - correct answer ASC with fixed signals.
If you are in 300 rule territory, what territory are you in? - correct answer Manual
Block Territory
What makes the phone boxes in the Atlantic Terminal unique? - correct answer They
have a button for the fire department and the power director. Also is is a regular
phone and is used as a block line.
