1.1 This standard specifies the requirements of two and three terminal ceiling roses having diameters equal to 2 1/2 inches and 2 inches, and made of vitreous or plastic moulding materials for use on AC. or DC. circuits in which the voltage does not ex ceed 250 volts and the current does not exceed 5 amperes.
PS 116-1960 history
1960PS 116-1960 PAKISTAN STANDARD SPECIFICATION FOR TWO AND THREE TERMINAL CEILING ROSES