NPLF is a NEC / UL (USA) cable designation: NPLF = Non-power-limited fire alarm cable (NEC 760 Part II); NPLF = Non-power-limited fire alarm cable, general. 600 V (typical). UL 1425; NEC Article 760 Part II.
5 coding systems recognise this code
NPLF
N
P
L
F
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