These requirements cover single-and multiple-jacketed lined fire hose with or without couplings attached@ in the trade sizes of 1-1/2@ 1-3/4@ 2@ 2-1/2@ 3@ 3-1/2@ 4@ 5@ and 6 inch (38@ 45@ 51@ 65@ 76@ 89@ 102@ 127@ and 152 mm nominal ID). Single-jacketed hose is intended for service test pressures of 150@ 200@ or 250 psig (1035@ 1380@ or 1725 kPa). Multiple-jacketed hose or covered hose judged equivalent to multiple-jacketed hose is intended for service test pressures of 200@ 300@ or 400 psig (1380@ 2070@ or 2760 kPa). These products are intended for municipal and industrial fire protection purposes. Single-jacketed hose is for use at fire hydrants@ standpipes@ and similar places. They are not intended for hard usage nor where the hose will be subjected to chafing on rough or sharp surfaces. Multiple-jacketed hose or covered hose judged equivalent to multiple-jacketed hose are for use on pumpers and in places where service conditions require the additional protection against wear afforded by the extra woven jacket or cover. The products covered by these requirements are intended to be periodically inspected and maintained while in service@ as outlined in the Standard for the Care@ Use@ Inspection@ Service Testing and Replacement of Fire Hose@ Couplings@ Nozzles@ and Fire Hose Appliances@ NFPA 1962.