E27 Lampholder gauges | "GO" Gauge For Lampholder E27 | 7006-25A-2
Purpose: to check
a) the minimum dimensions of the lampholder screw thread according to sheets 7004-21 and 7004-27
b) dimension X according to sheet 7005-20
c) the machnical compatibility of the lamp holder with respect to lamps have adverse dimensions
Testing: It shall be possible to screw the threaded part of the gauge into the lampholder without using undue force.
when the gauge has be screwed in as far as it will go, mark Y on the plunger shall be co-planar with mark A on the shaft.
the sleeve is then placeed over the shaft of the gauge with its open end resting on the top edge of the screw shell of the holder. with the sleeve in this position, the plunger is pushed down as far as it will go.
surface B of the gauge shall then lie between the marks X1 and X2 on the plunger or be co-planar with either of them; it shall not lie beyond them.
Related gauges for E27 lamp holder:
|E27 lamp holder gauge||"GO" GAUGE FOR LAMPHOLDERS E27||7006-25A-2|
|NOT GO”GAUGE FOR SCREW THREADS OF LAMPHOLDERS E27||7006-26-4|
|GAUGE FOR TESTING PROTECTION AGAINST BULB-NECK DAMAGE AND FOR TESTING CONTACT-MAKING IN LAMPHOLDERS E27||7006-21-5|
|GAUGE FOR TESTING CONTACT-MAKING AND PROTECTION AGAINST ACCIDENTAL CONTACT DURING INSERTION OF LAMPS IN LAMPHOLDERS E27||7006-22A-5|
|GAUGE FOR DETECTING SIDE-CONTACTS WITH CUTTING-EDGES IN LAMPHOLDERS E27||7006-22B-1|
|GAUGE I FOR CHECKING SIDE-CONTACT RESILIENCY IN LAMPHOLDERS E27||7006-22C-1|
|GAUGE II FOR CHECKING SIDE-CONTACT RESILIENCY IN LAMPHOLDERS E27||7006-22D-1|