Related gauges for E40 caps:

1. Go gauge for caps on finished lamps E40, 7006-27-7;

Purpose:

To check the maximum dimensions of the screw thread and dimension T1 minimum of E40 caps on finished lamps.

Testing:

When the cap on a finished lamp has been screwed into the gauge as far as it will go, the centre contact shall be co-planar with, or project beyond surface X.

2. Not go gauge for caps on finished lamps E40, 7006-28D-1;

Purpose:

To check the minimum outside (major) diameter of the screw thread, dimension d, of E40 caps on finished lamps.

Testing:

When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X.

Only the weight of the gauge itself shall be used in the test.

3. Gauge for finished lamps fitted with E40 caps for testing contact making, 7006-52-1;

Purpose:

To check lamp dimensions for contact making in IEC holders.

Testing:

The shape of the lamp with regard to the fit in the lampholder is assumed to be correct, if the lamp can be pushed into the gauge till plane W reaches plane V or projects beyond it.

4. Gauge for finished lamps fitted with E40 caps for testing protection against accidental contact E40, 7006-53-1.

Purpose:

To check protection against accidental contact.

Testing:

The shape of the lamp with regard to protection against accidental contact is assumed to be correct if the test sample being pushed as far as possible into the gauge, plane W does not protrude beyond plane V.