Cable – with a twist | Archive Titles

Table 1 - Power distances for two twisted pairs
Voltage	Pcam (W)	Dist spec max (ft)	Dist spec max (m)
12v AC or DC	5	86	28
12v AC camera	10	43	14
	20	22	7
	30	14	5
	40	11	4
	50	9	3
24v AC	5	346	113
24v AC camera	10	173	57
	20	86	28
	30	58	19
	40	43	14
	50	35	11
28v AC	5	922	302
28v AC camera	10	461	151
	20	230	76
	30	154	50
	40	115	38
	50	92	30

Table 2 - Power distances for two twisted pairs
Voltage	Pcam (W)	Dist spec max (ft)	Dist spec max (m)
12v AC or DC	5	130	43
12v AC camera	10	65	21
	20	32	11
	30	22	7
	40	16	5
	50	13	4
24v AC	5	518	170
24v AC camera	10	259	85
	20	130	43
	30	86	28
	40	65	21
	50	52	17
28v AC	5	1382	454
28v AC camera	10	691	227
	20	346	113
	30	230	76
	40	173	57
	50	138	45