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Netherland plug and socket gauge NEN1020 List

No	Figure No.	Description
1	C1	10/16A 250V two-pole socket-outlets Gauges c1 for size of entry holes for plug pins
2	C2A.B	10/16A 250V two-pole socket-outlets and two-pole plugs with pin-type earthing-contact Gauges c2 for minimum opening of contact tubes
3	C3	10/16A 250V two-pole socket-outlets Gauge c3 for acceptance of two-pole plugs
4	C4	10/16A 250V two-pole socket-outlets with side earthing-contacts Gauge c4 for acceptance of two-pole plugs with side earthing contacts
5	C6A.B	10/16A 250V two-pole fixed socket-outlets Gauges c6 for fixing holes or slots
6	C7A.B.C.D	10/16A 250V two-pole socket-outlets Gauges c7 for distance to point of first contact
7	C8	10/16A 250V two-pole socket-outlets Gauge c8 for wiring channel
8	C9A.B	2.5A 250V and 10/16A250V two-pole plugs and 10/16A 250V two-pole socket-outlets with pin-type earthing-contact Gauges c9 for pin diameter
9	C10A.B	10/16A 250Vtwo-pole plugs Gauges c10 for pin spacing
10	C11	10/16A 250V two-pole socket-outlets and two-pole plugs with pin-type earthing-contact Gauge c11 for maximum opening of contact tubes
11	C12	10/16A 250V two-pole plugs with side earthing-contacts Gauge c12 for interchangeability
12	C13	2.5A 250V two-pole plugs for class ii appliances Gauge for interchangeability
13	C14	10/16A 250V two-pole flush-type socket-outlets for screw fixing Gauge for dimensions of mounting boxes
14	C15	10/16A 250V two-pole plugs without earthing contact Gauge for non-interchangeability with two-pole plugs with earthing contact
15	C16	10/16A 250V two-pole socket-outlets with side earthing-contacts Gauge for non-acceptance of two-pole plugs without earthing contact
16	C18	10/16A 250V two-pole socket-outlets without earthing contact Gauge for checking impossibility of single-pole insertion of plugs

17	C19A.B.C	2.5A 250V and 10/16A 250V two-pole plugs Gauges for checking impossibility of single-pole insertion of plugs into socket-outlets
18	C19a	2.5A 250V and 10/16A 250V two-pole plugs Gauges for checking impossibility of single-pole insertion of plugs into socket-outlets
19	C21	16A Device for checking the resistance to lateral strain
20	Fig.23	Test apparatus for contact pressure of earthing pin of 16A socket-outlet
21	Min. multi-pin Gauge	(1 gauge.3 weight)
22	Max. multi-pin Gauge	(1 gauge.6 weight)
23	C104	Gauge for non-interchangeability with two-pole plugs without earthing contact
24	C105/C1A	Gauges for size of entry holes of 2.5A socket-outlet for plug pins
25	C106/C3A	Gauge for acceptance of two-pole plugs 2.5A