Ac connections (fig. 12). For 110-volt ac

TM405-10-2

Figure 12. Connection diagram for 105- to 120-volt ac of PH-129-A or PH-639(*)!TF.

(1) Ac connections (fig. 12). For 110-volt ac

operation proceed as follows:

(a) Connect the lamp holder power cord to the

(b) Connect the transformer power cord to the

interval timer.

the three-way receptacle.

(d) Connect the 25-foot power cable to the

power source.

(2) Dc connections (fig. 13). For 6- to 8volt dc

operation, using a storage battery power source,

proceed as follows: Note. The PH-129-A or the

PH-639(*)/ TF is to be operated from a storage

battery power source only under emergency

conditions. Check to see that the correct type of

storage battery is being used (par. 8).

(a) Check to see that a 6-volt safelight lamp is

(b) Connect the equipment as shown in figure

13.

TM405-10-3

Figure 13.. Connection diagram for 8- to 8-volt do of PH-

12D-A or PH-40(*) /TF.

AGO 5894A