HPN

3 coding systems recognise this code

NEC / UL (USA)

SymbolMeaning
HHeater cord (UNVERIFIED)
PParallel construction (UNVERIFIED)
NNeoprene insulation (UNVERIFIED)
HPNHeater cord, parallel, neoprene (UNVERIFIED expansion). 300 V, 90 C (UNVERIFIED). UL 62; NEC Table 400.4

China

SymbolMeaning
HCommunication Cable
PCopper Screen As Braid
NNylon Jacket

NEC 402

SymbolMeaning
H75°C Insulation
PPerfluor (Ethylene Propylene - FEP - Teflon)
NNylon Jacket