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This section of IEC 60598-2 specifies requirements for lighting chains fitted with series- or parallel- or a combination of series/parallel-connected incandescent lamps for use either indoors or outdoors on supply voltages not exceeding 250 V.

NOTE 1  A Christmas tree chain is an example of a lighting chain fitted with series or serieslparallel connected lamps. A chain for illuminating ski-tracks or promenades is an example of a lighting chain fitted with parallel connected lamps.

NOTE 2  For lighting chains fitted with lampholders of the push-in type, the appropriate requirements of this section apply.

NOTE 3  In some countries the term "strings" is used instead of "chains".

NOTE 4  For lighting chains with non-standardised lamps (e.9. lamps of the push-in type) the lamps are regarded as a pari of the lighting chain and consequently included in the testing (and thereby in the certificate, if any).